The * Indicates that the Article is Illustrated with Engravings, A Accent marks, foreign . ............429 Advertising- and psychology. .... 25lt;X 251 Advertising devices ........35, KKJ, 301 Adz-tightener .......................84 AERONAUTICS. . mdash;Aerodynamic progress ............340 mdash;Aerotechnical Institute, Paris......162 mdash;Airmanapos;s weather bureau........... 98 mdash;Aviation meets, useless risk of life.382 mdash;Business sidp of aviation .... 337, .355 mdash;Cross-country flying ...............1 14 mdash;Danger of fires.................... 2 mdash;lying over water................343 . mdash;Future development of airshipslowbar;lowbar;lowbar;lowbar;183 mdash;How to find your way in the air, 24-20 Inventors, fatal experiments .......422 mdash;Latin-American aviators ..........apos;286 mdash;Nassau Boulevard aviation meet. .313. mdash;National school, English...........223 mdash;Notes........18, 39. 139, 179, 238, 306 360, 367, 407, 427, 473, 575 mdash;Physical tests for aviatorapos;:.........550 mdash;Wild designs in flying machines .. 338 mdash;Vuniman-Seiberling transatla n tic expedition ....... 316, 361-:166. 429 mdash;See also Aeroplanes; Balloons and Airships. AERONAUTICS, ACCESSORIES. ero map, international .......... 226 Aviation motor .............. 117-119 mdash;Device, showing velocity..........349 mdash;Map, French government..........1 64 mdash;Motors, American ................ 6 mdash;Motor developments, Frante. .. .117-119 mdash;Navigating instruments ...........3 67 mdash;Rotating motor ...................264 mdash;Useful devices .......... :346, 347, 348 AERONAUTICS, Aviation sickness ....... 1 8 mdash;Causes........................... 74 mdash;Due to motors and fuel tankslowbar;lowbar;lowbar;lowbar;2 , 4 mdash;Hundred mark in aeroplane fat alities ............................427 mdash;More f.requent in exhibition flying.. 182 mdash;Rainbaldo, death.................540 mdash;Recent acidents..................33H mdash;mdash;Recent fatalities.................5-75 AERONAUTICS, EXHIBITIONS AND CONTESTS. mdash;Atwoodapos;s flight, Chicago to New York ...........................202 mdash;Bennett trophy ................... 75 mdash;European circuit race............3, 130 mdash;Gordon Bennett trophy............ 315 mdash;International cup race, 1911.170, 176 mdash;-Record cross-country flight.........1 30 mdash;Record-breaking flights .......- ^ . 3 mdash;Rodgersapos; transcontinental flight. 369, 449 mdash;Transcontinental flight. lessons.....2 90 mdash;Vedr nes fight to Madrid.......... 3 mdash;Danger .if aerial antic-...........189 AERONAUTICS, MILITARY AND NAV AL. mdash;Aeroplanes for dropping- bombslowbar;lowbar;lowbar;lowbar;388 mdash;Aeroplanes for finding sub-marines.226 mdash;British naval airship..............30 mdash;Curtiss naval machines.......331, 335 mdash;French army aeroplanes...........226 mdash;German aircraft maneuvers........362 mdash;Great Britain iiaval airship wreck 333 mdash;Launching naval flying machine ... 298 mdash;Military aeroplanes ...............402 mdash;Military machines, prizes for..... 447 mdash;Naval service aeroplanes...........384 mdash;Naval aviation ................... 26 AERONAUTICS, PRIZES. mdash;Bennett trophy ................... 75 mdash;For military aeroplaneslowbar;lowbar;lowbar;lowbar;. ......402 -~0(.uli,Seieiii ilic Aineiapos;ienn prizelowbar;lowbar;lowbar;lowbar;335 mdash;See also Gould-SclentEftc American . AEROPLANES. Alt;;;;;i!;,:.;;, i -. to :;u; : bull;. .....3384 Ai-i.. i : i.- a- .......-i apos;-. 447 mdash;Automatic stability .........bull; 213, 315 Blenot new .......... mdash;Cost of Operation............... lowbar; 22igt; mdash;Development ....................428 mdash;Fa mm u military biplane.......... 447 mdash;Fast machines.................... 3 apos; apos; ............ 3 mdash;For locating Rihmiu-iiies...........2 26 I apos; !.apos;.",! V !ir.i-i;,;(atval MM.".......55 the mdash;Hydro-aeropli-iiHapos;s, ----- -..... 492 mdash;Launching from a wire...........298 mdash;Military aeroplane competitideg;n .. . . ldquo;"447 mdash;Mail delivery by.........lowbar;lowbar;lowbar;lowbar;187, 313 mdash;Military machines and tests....... I !. mdash;Model. directions for...............:::: mdash;Morane monoplane ................ 3 mdash;Motors and fuel tanks, location . .2, 4 Nieuport monoplane .............. 447 mdash;Perfecting in the laboratory...... 34deg; Pivot monoplane .............428, 429 mdash;Short biplane .................... 428 o. mdash;Stabilizers ...................82, 335 mdash;Stability and adaptability.......... 27 mdash;Strength of ......................552 r in ur mdash;Testing the strength..............:3g2 mdash;Touring v)apos;:. exhibition flying.......182 mdash;Tubular springs to replace rubber bands ......................... 2S1 mdash;Types ........................... 170 o arf r mdash;Wild designs .................... 338 mdash;See also Aeronautics. Aerotechnical Institute, Paris........162 AGRICULTURE. Arsenic, injurious insecticide ...... 57 acteria indicating soil acidity . ... 51 Basket willow .................... 3 57 lectricity from old mills .... 182, 184 Electricity on farms.............. 273 Gasoline truck .................... 11 mdash;Electrified artificial rain.......... 173 Meteorology for .................. 3 82 Nitrogen and the soil ......... 1 67, 507 mdash;Potassium chloride from feldspar .. 1.36 Protecting trees from frost ........ 1 88 mdash;Wheat experiments ............... 55 mdash;Soil- experiments with legumes..... 9 ir brake dontapos;s for inventors ....... 59 Air brakes. invention of.......... 13, 34 Airmanapos;s weather bureau............98 AIRSHIPS. See Balloons and Airships. Alpine, glaciers, variation...........72 Alternating magnetic field experi- ents .......................... 31 luminium powder, experiments ..... 103 Ambulaz-ce with removable lining ... 581 Anchor made of grapnel........rdquo; ... 228 nchors, home-made ................ 84 Ancient customs ...................120 Anemometers ....................... 9) Animals, teaching tricks.............2 17 Antarctic expeditions ..............424 ANTHROPOLOGY. mdash;Man of Glacial Europe............1 8R mdash;Manapos;s fossil remains..............3 69 ARCHAEOLOGY. mdash;Historical hygienic exhibit....... 120 mdash;Parthenon relic ...................1 62 Argan tree .........................183 ART. mdash;Freaks in ....................... 369 mdash;Galleries, lighting ............... 385 B Baby carriages .................... 373 Bacterta, light-producing ............91 Ball joints .........................84 all-turning device ................. 433 Ballis heat-controlling valve........ 581 BALLOONS AND AIRSHIPS. mdash;"Akron,rdquo; launching .............429 mdash;Dirigible . ];i-ii],:iL naval.......30. mdash;Gas for tilling....................aiO mdash;German military dirigible burned ..3 12 mdash;Probable line of development..... 18-5 mdash;Zeppelinapos;s ldquo;SchwabpIlrdquo; ..........472 mdash;See alsdeg; Aeronautics; Aeronautics, military and naval. Banknote!apos;;, destruction of............2 12 lt;apos; improvement ...........282 Barrett, Jolm lowbar;lowbar;lowbar;lowbar;...................48 Basket-making, willow stripper......33 . atteries, dry rechargeable .......... 39 Bath-tub. portable ..................106 Beacon Hill tunnel..................76 Beauty and utilitv................... 2 Bclgjawskyapos;s comet .......368, 528, 532 Bellapos;s ice stove..................... 105 Btmnett trophy ..................... 75 Bievcle, track inspectorapos;s...........207 BIOLOGY. bull; mdash;Bacteria, light-prodncing .......... 91 mdash;Frog eggs, artifieially fertilize!lowbar;lowbar;lowbar;lowbar;182 mdash;Living matter from non-livinglowbar;lowbar;lowbar;lowbar;231 236, 272, 285 mdash;Mutation theory of descent.......423 Birdapos;s nest, edible..................386 Blerhot. Louis.....................3;apos;5 Bleriotapos;s new monoplanes...........384 Blood-transfusion ............. 123, 129 BOATS. mdash;Launching in China................11 mdash;Motor boat race of 1911 .i........ 254 mdash;Yawls, crossing the sea........ 28. 37 Bobbin winder lowbar;lowbar;lowbar;lowbar;..................84 Bombs analyzed by chemists ........ 100 Bombs from aeroplanes........388, 492 Boston subway tunnel............... 76 BOT N l Mutations.. artificially induced..... 42 mdash;Starch without photosynthesis...... 71 mdash;VIapos;ies, Hiigr) lt;1e...................,;,4 23 Brace for planer...................191 Br akes, fly-wheel, for printing presses, 3i; BRAKES. See Air-brakes. Breguet, Louis ................337, 355 Bi"idgenort railroad wreck... 74, 114, 167 BRIDGES. mdash;Automobile bridges. California.....11 mdash;Bulkelt.apos;y river Indian bridge ...... 207 mdash;Indian cantilever bridge.......... 207 . mdash;P a a mdash;puet)ec bridge competition.........496 mdash;Repairing by injecting cement.....3 79 mdash;Transporter bridge lowbar;lowbar;lowbar;lowbar; 549, 5:36, 557 British frigate ldquo;Lutine"............473 rooksapos;s comet ....115, 227, 274, 368 rown, A. E ........................ 58 Bucket dredger, Panama Canal.....405 Budget exhibit .....................332 Buffington. A. R....................257 BUILDING CONSTRUCTION. mdash;Cement walls, cast............93, 97 mdash;Woolworth building ......... 113. 119 unkering steamships .........269, 274 Burns, remedies for.................228 Button, shoe, remover...............12 o Cable, new design for submarinelowbar;lowbar;lowbar;lowbar;232 Cactus used in whitewash...........422apos; alifornia automobile bridges........ 11 California ldquo;Stone Forest"...........11 Campaniles, medieval and modern .. 1, 6 Camera. See Photography, CANALS. mdash;For irrigation ................... 144 i mdash;New Yorkapos;s state barge canallowbar;lowbar;lowbar;lowbar;277 mdash;Reclamation service .........146, 148 i mdash;Suggested use for irrigation.......3 15 . i Cancer, recent research............49, 68 Canyon City, sky-line drive.........442 ards, machine for dealing......... 281 Catalysis .................248, 260, 262 Cattle, disease from parasites ........ 2 27 arrelapos;s blood transfustion.....123, 129 Cast-iron. how to weld.............276 CEMENT. ! mdash;Bridge repairing ..................379 ! mdash;Cement gun ......................280 mdash;Mica for surfacing................427 t mdash;In New York state barge canal .. 277 gt; mdash;Walls cast on the ground..... 93, 97 Chanute, Octave, and H. T. Ricketts.275 ; Chamberlain, Eugene Tyler.........."apos;44 "Chaparralrdquo; .......................197 1 Chartreuse, manufacture ........... 577 Charts for aerial navigation.......24-26 - Chauffeurs, tests for............29, 167 - R mdash;Analysis, new method.............574 - mdash;Applied cliemistry, international congress ........................ 2 44 mdash;Application Oapos;f electric energy, 243, 252 mdash;Artiflcial rubber produced..........245 - mdash;Bombs analyzed ................. 100 - mdash;Catalysis ...............248, 260-262 - Chemical testing of aterials ..... 246 mdash;Crystallization experiments ......oapos;.j0 j mdash;Earning power..................470 - mdash;Growth of it dustlapos;ial..............470 - mdash;Electro-chemistry, principles of, 243, 252 mdash;Food preservatives ................1 01 J Industrial opportunities ...... 249, 262 mdash;Laboratory, industrial testing......595 - Laboratory supplies ..............245 mdash;-Materials, testing ..............."apos;246 - mdash;Uneconomic rules................. 45 - mdash;Nbapos;nst, Henry Walter............-271 - mdash;Training for factory folapos;eman.253, 263 -mdash;Physical chemistry, developments.271 Chicago railway terminal............80 - Children, preserving songs of.......553 - Chinese method of boat launching ... 11 Chinese wood oil trees...............507 - holera, history of present epidemic.109 Cities, largest, population .......... 496 "City beautiful,rdquo; movement toward. 2 - Cistern, improvised chain........... 317 - Clam digging ..................564, 584 - Claw-hammers, nail-holder for.......32 - Clay-eating, West Africa............408 - Cloth pinions ....................... 3 21 Clouds, albedo of.................... 74 - louds and the moon ................ 3 41 COAL. mdash;Use and waste............... 138, 150 Right and wrong way of mining ..206 mdash;Increase of output.................247 mdash;Anthracite coal production.........229 - Coil springs, guide for winding.....497 - oliseum, spirit of, editorial .......382 olumbian mahogany ............... 47 COLOR. mdash;Earth colors ......................336 : mdash;Of living objects in nature........406 Source of pigments................ 96 mdash;Standard black .................. 300 Colubia University ........... 3 25, 596 Commerce between South America and United States...............490 - COM S. mdash;Belgjowskyapos;s comet ..............368 - mdash;Difficulties in plotting orbits...... 320 mdash;Quenisset comet .................368 - Copass for aerial navigation ..... 24-26 Compressed air, apparatus..........300 Compressed air, cement building.....280 - Concrete. See Cement. Confederate patent, discovered ...... 413 CONGRESSES. mdash;Aerial law, international..........122 mdash;Applied chemistry, international. . 72, 244 International hygienic exposition .. 120 mdash;Protection. industrial property.....1 87 - CONSERVATION. mdash;Coal, use and waste......... 138, 150 mdash;Editorial comment ...............136 - Fishery resources ........... 149, 154 mdash;Of forests.................. 1:^5, 137 mdash;Of humanity ........bull;.............206 mdash;Of oil and natural gas............ 142 mdash;Turpentine industry ............. 383 mdash;W ate-falls ....................... 83 Cork varnish for ships............... 7 Corporations and the inventor....... 448 Cosmic- speculation .................1 67 Cotton-carding engines ............. 592 Cotton-picking machine ............. 600 Crank for engines, to make........276 Crileapos;s blood-transfusion ........123, 129 CRIMINOLOGY. mdash;Finger prints ....................166 mdash;Photographic miniature projection apparatus .....................209 mdash;Science and anarchistsapos; bombs.... 100 Crozier, W........................ 257 Cuntz, ocean telephone table........232 Curie, Marie Sklodowska....... 467. 471 Curtiss, Glenn H...............337, 355 Cuttlefish farms.....................178 Cyclone and anticyclone ........... 2 22 D Dairy appurtenances.......... 173, 281 DMS. Austin. dam. destruction ..... 331, 336 mdash;Built by Reclamation Service. 144-148 mdash;Legislative control ..........331, 336 -ovable dam of the bridge type . . 277 mdash;Movable wicket dam..............204 mdash;Roosevelt dam ...............131, 144 Degeneration of race, American......136 "Delaware,rdquo; U. S. S...............514 Derelict destroyers .............41, 51 "Deutschland ldquo; .................... 424 Devil-bird, cry of....................1 71 Diagnosis of the heart, electrical . ... 81 Diesel engine ............, .314. 539. 584 Dirigibles. See Balloons and Airships, Distillery, oldest .............577. 585 Dorset, M.....................lowbar;lowbar;lowbar;lowbar;257 outre automatic stabilizer......... 213 Drafting devices ...................124 rag, split-log .............. , ...... 1 30 Dreadnoughts. See Warship. Dreams that came true..............70 DRILLS AND DRILLING. mdash;Drilling compound ...............433 mdash;TIrill post. substitute.............. 32 mdash;Flanges ......................... 317 mdash;Home-made drill ................433 Ratchet drl .................. , . 124 mdash;Trepanning drill .................580 Duncan. Robert Kennedy. . 249, 260, 262 Duvel, J. W. T..................... 257 II Earth-eating in West Africa.........408 arth colors ........................ 3 36 Earthquake recordingapos; in America .... 94 lt; Eating, shame of....................47 EDISON. Electric railway in 1880 ..... 451, 465 : mdash;Roll patents. sustained............13 -mdash;Impressions of Europe.............445 ! EDUCATION. mdash;And success ......................206 1 mdash;Foreign students, in America, 297; raquo; In Germany ....................3]0 mdash;Schools to teach danger of tres- apos; passing on railroad......;......386 i mdash;Wentworth Institute. trades school.326 apos; Efficiency engineering. See Engineering; Scientific management. apos; Egg, largest in the world.. . ......11 Egg-shell furnace .................103 - Eiffel, Gustave ....................340 - ELECTRIC APPARATUS AND APPLIANCES. Break in electric cord............ 191 -Electrified artificial rain......60, 173 : mdash;Electro-telescope .................574 apos;. mdash;Etching metals .................. 172 apos;. Fans for the sick .................. 1 87 Heart diagnosis by electricity ..... 81 ife preserver, illuminated ........414 mdash;Lightning conductor ..............555 mdash;Mixing valve for bathing water 581 mdash;New York electric show...........378 - Speed reducer .................... 1 11 mdash;Wireless detectors ...............365 ELECTRIC ENGINEERING. mdash;Advanced study ................... 27 - mdash;Demand for young men......479, 486 mdash;Oil-break circuit breakers......... 553 Sprague, Frank Julian ............ 363 lectric lamps for miners ........... 2 13 LECTRIC LIGHTING. mdash;Concrete poles-....................427 Heany patents .................... 3 93 mdash;Incandescent lamp filament........39 mdash;Indoor lighting ..................385 Of European cities ................445 -Small lighting plantsapos;.............372 ELECTRIC RAILROADS. mdash;Boston subway ...................76 mdash;Edisonapos;s pioneer work........401, 465 mdash;Safety device for trolley cars......302 mdash;Trolley car propeller.............. 343 ELECTRICITY. mdash;Application to chemistry.....243, 252 Central station current for farms.. 273 Circuits ruptured in oil and air... 553 Electrically-propelled ships ....... 116 mdash;High-intensity primary cell........572 From old water mills ........ 1 82, 184 mdash;Meat cured by electricity..........475 ew York electric show ........... 3 78 mdash;Notes ........ 1 9, 39, 92, 111. 160. 173 198. 219. 239. 326, 367. 475, 555 198. 219. 239, 326, 367, 475, 553, 575 Oscillations, frequency of..........429 Producer gas from peat........... 3 26 Ultimate unit of charge.......... 205 mdash;Visual sensations caused by ....... 31 Electro-chemistry. See Chemistry. Electromagnet for oculist.....569, 573 lectro-magnetic separator .......... 85 Ely, Eugene ........................398 Emery disappearing carriage.........501 mery wheel. swinging .............. 3 94 ENGINEERING. mdash;Notes ........... 1 11, 301, 307, 367. 407 427, 555 rnold. Bion Joseph .............. 223 mdash;Austin dam .................331. 336 . Construction of N. Y. barge canal.275 ciency engineering ............. 30 mdash;Efficient engineering in navy....... 57 mdash;Highway engineering as a profession ............................ 3 19 mdash;Pekin-Kalgan Railroad built solely by Chinese ............... 401, 411 Reclamation service ......... 146, 156 mdash;Sitter viaduct ..............289, 293 ENGINES. Cotton carding ................... 592 mdash;Cylinders, centering and reboring.. 32 mdash;Dangerous muffler ................. 32 mdash;How to make crank ....-.......... 276 mdash;Knight valveless engine.......... 168 mdash;Mechanism being simplified........2 90 Operated by sun-power.rdquo; ...... 291, 292 mdash;Radium possibilities ........ .....290 Tesla steam turbine .......... 296, 297 mdash;See also Internal Combustion Engines; Turbines. Etching metals by electricity....... 172 Eugenics, human conservation .......206 Eugenics of national importance.....1 36 Evolution, geographical influence......422 Evolution, mutation theory..........423 EXPERIMENTS. mdash;Crystallization experiments ......5GO mdash;Freezing fish without klling........99 mdash;Making oxygen .................. 103 mdash;Metals melted with aluminium powder........................ 103 mdash;Visual sensations from alternating magnetic fleld .................. 31 Exploration of Brahmaputra.........456 xplosives. See Ordnance. Eye color and mental traits..........477 yes. human, at night ...............483 ugenics, human conservation ........ 2 06 volution, mutation theory ...........423 Evolution, geographical influence.....422 F Farmerapos;s co-operative electric plant. 184 Eugenics, national importance .......136 arms supplied with electricity ..... 273 Fatalities to railroad trespassers.....386 Feldspar, chemical solution..........136 Fermentation, manganese ...........72 erments, yeast manufacture ....... 494 FERTILIZERS. mdash;Potassium chloride ................136 File handle. adjustable.............. 12 Files, simple holder.................433 Filter from turf..................... 4 Fine arts, new Parthenon relic......162 FIRE SERVICE. mdash;Automobile fire engine.............394 mdash;Fire college, New York......364, 365 mdash;Fire extinguisher .................435 Fireflies and light-producing bacteria. 91 iremanapos;s smoke protector.......... 302 Fisher, Samuel T....................125 FISH AND FISHERIES. mdash;Conservation of resources. :..149, 154 mdash;Cuttlefish farms ..................178 mdash;Improved fishing rod.............. 373 mdash;Fish pastes .......................116 reezing, experiments on .......... 99 mdash;Fur seals ................... 149, 154 mdash;Whale meat as food...............56 hales, standard school .......... 256 mdash;Whales, varieties of...............169 -mdash;Whaling industry, revived.........407 Flies, crusade against...............547 FLOODS. bull;mdash;Caused by over-grazing...........476 mdash;Energy of .......................165 Flower-picking apparatus ..........256 Fly killer .........................191 FOG SIGNALS. bull;mdash;By wireless ......................12 mdash;Failure of ....................... 426 FOOD. mdash;Bread. value as a food............422 mdash;Edible birdsapos; nests................386 mdash;Fish pastes ......................1 16 Simple tests for food purity ..432, 439 mdash;Whale meat ......................56 mdash;Yeast as a food...................251 mdash;Yeast manufacture ..............494 mdash;See also Pure Food and Drugs, Forests. petrified ...................11 FORESTRY. mdash;rdquo; apos;Chaparralrdquo; ......................1 97 Necessity for conservation .... 1 35, 137 mdash;Over-grazing- cause of floods......476 mdash;Pinchot, Gifford ............135. 137 mdash;Preserving poles .................229 mdash;Treless American prairies..........238 Wood preservation, experiments.... 2 29 mdash;See also Conservation. ortunes in little inventions .........450 Fossil remains of man...............369 Fountain pen for draughtsmen...... 343 France, use of horses................3 62 Franklin, First inventor of lightning conductor .......................554 Frog eggs, artiflcial.................1 82 Frost cartridges ....................188 Frostfairs .........................573 FRUIT. Arsenic, injurious insecticide ....... 57 mdash;Protection from frost..............188 mdash;Thumb knife, for picking......... 373 FUEL. mdash;Coal production in United States... 297 il and natural gas .............. 142 mdash;Oil for locomotives................295 mdash;Our coal supply.............. 1:38, 150 Furnace, egg-shell .................103 Bapos;urnace, electric .................. 103 Fur seals ..................... 149, 154 (x Gage for saws.....................433 Gall-stones .........................1 10 Garden railways ..............473, 474 . mdash;Conservation of natural gas.......142 eter testig ................ 311-312 mdash;Mine explosion ..................498 mdash;Poisoning .........................188 mdash;Vacuum cleaner ...................282 Gas and gasoline engines. See Internal Combustion Engines Gasoline vapor cleaning, dangers.....317 Gayley, James W.................. 448 Gem production of United States.....47 Geographical excursion .............5 36 GEOLOGY. Atmospheric pressure in past ages.319 mdash;Glacial period ....................^ iss mdash;Glaciers, Alpine, variations of..... 72 mdash;Soil moved by wind ............... 31 erman criticism of Panama canal .. GERMANY. Foreign students at universities ... 3 10 mdash;Illuminating pistols for army......223 mdash;Industrial growth .................5f)O mdash;Inventors encouraged .............445 mdash;Maneuvers in aircraft.............362 Military dirigible burned ........... 3 12 mdash;Navy ............................. 77 mdash;Technical experts at consulateslowbar;lowbar;lowbar;lowbar;491 lacial period ......................188 laciers, Alpine, variation of........ 72 Glaciers, Hobbsapos;s theory.............470 lidden tour and Fairmont race...... 3 79 lidden tour of 1911. results .........427 liders. See Aeroplanes. nathodynamometric test of incisors 493 Gold mining, cost of.................157 Good roads. See Roadmaking. oose-neck ........................ 321 GORDON BENNETT PRIZE. mdash;International cup race, 1911........ 170 G 0 U L D-SCIENTIFIC AMERICAN PRIZE. mdash;Rules governing ..................3335 nome rotary motor............ 117 119 Graham-White. Claude .............337 rapnel as a mushroom anchor...... 2 28 yroscope, aeroplane stabilizer....... 82 Gyroscope, automobile stabilizerlowbar;lowbar;lowbar;lowbar; 232 Guns. See Ordnance. H id b t Hail insurance ......................336 Hail, severe, storms.................551 Hale, George Ellery.............. 23, 37 HaU, apos;Thomas ......................600 Halos and rainbows..................2 55 Hammer with detachable peen.......12 Hand-wheels turned in lathe........392 Handwriting, family likenesses in .. 496 Handy manapos;s medicine chest.........228 Handy manapos;s workshop......32. 84, 124 172, 191. 215. 228, 276. 307, 392, 433 Hann Julius von....................2 03 Harvest moon .................299, 305 Haskiiis, Caryl Davis............566, 567 "Hawke"-"Olympicrdquo; collision ..... .389 Haze, night, self-luminous............99 "Heart stationsrdquo; for diagnosis......81 Heavens. See "Herald,rdquo; twin-screw : 111vessel. 269. 274 Hobbsapos;s glacier theory...............470 Home laboratory.....5. 60. 103. 300. 413 432. 439, 560 Horse power vs. man power..........455 Horses in France....................362 Hospital cars ...................... 203 ulett, A. E ........................ 58 Human mechanics; power of jaws ... 493 Hydraulic engineering. See Engineering. Hydraulic press, leather cup die. 267. 276 Hydrogen-generating plant ......... 310 Hygienic-historical exhibit .........120 Hydroplanes ....................... 552 Hydroplane ..........,-..............552 I Ice machine ....................... 105 Ice palace .......................... 45 Ice stove .......................... 105 Icebergs of Southern ocean..........544 Illuminating pistols ................ 2 23 Uluminatiom See Electric lighting. ILLUSIONS. mdash;Mirror illusions ..................apos; 190 mdash;New ldquo;vanishing trickrdquo; box.......190 Of travelling in an airship ........481 mdash;Size of persons greatly reduced .... 5 54 Improvidence. national ..............136 Indian cantilever bridge ............ 207 Industrial arts, Germany ............. 5 50 Industrial chemist ....... 249. 260. 262 Industrial laboratory supplies........2 45 INSECTS. mdash;Housefly, crusade against..........547 mdash;Moths ............................2 ,56 mdash;Wasp .......................102. 109 Insurance, weather ................. 69 INT ERN A L COMBUSTION ENGINES. mdash;Aeronautic motors, American......; 6 Dangerous muffler ................... 32 mdash;Diesel engine ....................apos; 314 mdash;Gnome rotary motor..........117-1l!l mdash;Knight valveless engine........... 168 INVENTIONS. mdash;American backwardness ...........294 mdash;Brief notes.....12. 33. 34. 58. S5. 126 194, 195, 213. 232. 257. 281. 346. 373 393. 413. 434. 435. 480, 561 mdash;Europe in advance of America.....101 ortunes in small things........... 4 .0 mdash;Funny si3e of inventionlowbar;lowbar;lowbar;lowbar;...... 457 mdash;Government inventors ............ 257 mdash;Manufacturers. encouragement of .. 125 mdash;Perpetual motion ......4.apos;,52, 453, 466 mdash;Useless and foolish inventions...... 22 See also Patents; Patent office. INVENTORS. mdash;British inventor; his decadence....125 mdash;Discouraged by corporations........294 mdash;Government encouragement needed . 444 mdash;Industrial progress due to........ 448 mdash;Notes..........14, 34, 35, 60, 85, 105 106, 125, 152, 172, 194, 214, 233, 258 301, 302, 321, 350, 351, 374, 394, 413 414, 481, 562 mdash;Permanent exhibit in London.......413 mdash;Plan to protect the poor inventor .. 187 mdash;Sprague, Frank Julian............363 Ions, isolation of...................205 IRRIGATION. mdash;Canals and water power...........315 mdash;Electrified artifieia 1 rain.......60, 173 mdash;Reclamation of arid lands........ 144 Jaw, human, power of..............493 Joints, woodworking ................32 K Kalgan-Pekin Railway .........401-41l Keiss comet ...............109, 115, 119, Kerosene lamps, lighting attachment. 12 \ Knife for fruit picking.............373 Knife from hack-saw blade..........497 j Knight valveless engine.............168 : Kodophone .........................319 Kossel, Albrecht ....................244 Kubus of Sumatra...................454 L Labor questions, laboratory solves....1 14 Labor-saving appliances, U. S. exhibit ............................198 Laboratory supplies, arrangement. .. .245 Legagneux, French avia tor..........3 37 Lake With roof...................... 99 Lamps, lighting attachment..........12 Landsmanapos;s log aboard ldquo;North Dakotardquo; ..........344, 345, 356, 300 398, 430, 478, 516, 528. 5:32 LATHEapos;. mdash;Brackets, duplicated .............497 mdash;Cylinders, n lering and reboring .. 32 mdash;Reamer for ......................124 mdash;Reboring engine cylinders.......... 32 Legumes for soil improvement....... t) Letter box, new.....................302 ,! Letter box for street cars...........414 "Liberte,rdquo; destruction ..............310 License, compulsory, for patents..... 14 I Life, artifidal .......231, 236, .272, 285 I Life preserver, illuminated......271, 414 I Lighting for indoors...........385, 397 Lightning conductor................5 55 Lightning supers titions ..............555 \ Lincoln, Paul M....................448 j "Lion,rdquo; British battleship.....222, 230 ! Lippmanapos;s integral photography..... 164 : Lithopone and its manufacture...... 17 I Lobsters, mesmerized ...............5 53 Lock nnt .......................... 580 Lock, secret .......................497 Locks, Tanama Canal............... 597 LOCOMOTIVES. | mdash;Automatic safety throttle..........270 1 mdash;Average daily earnings............427 mdash;"Balticrdquo; type ...................557 mdash;Development ............558, 559, 566 mdash;Early inventions ........558, 559, 566 mdash;French locomotive development ...,557 mdash;Oil for fuel.......................295 mdash;Safety devices in cab..............439 mdash;Safety throttle ...................315 mdash;Study in evolution................11o London, population of................226 London frost fairs...................573 Longitude determined by submarine cables ....................298, 305 Lumber injured by fungi.............143 j Lumber. See Forestry; Trees. [ Lupus ................... 82 "Lutiapos; tapos;srdquo; treasure .................473 M Machines and the workman .......496 Magic ldquo;vanishing trick"............190 ; Magnet, electro, for oculist ...569, 573 Magnetic separator for city refuse ...85 apos;bull; Mahogany, Colombian ............... 47 i Mail box for street cars.............414 Mail bv aeroplane...............187, 313 "MAINE.rdquo; j mdash;Destruction likened to the ldquo;Lib- apos; erterdquo; ..........................3 10 mdash;Editorial comment ................2 02 mdash;Mystery to be solved ... 202, 210, 212 mdash;Progress of raising wreck.201, 210, 212 mdash;Pumps used in uncovering.........418 mdash;Result of investigation............578 Man, fossil remains..................3 69 Man, power of jaw.................493 ; Manganese , influence on fermentation. 72 , Man-power vs. horse-power...........455 j Maple, flow of sap................... 91 Maps, aeronautic ..............164, 226 "Marsrdquo; ........................438, 495 Mars, motions .....................572 Mass. Institute of Technology........ 27 Matches ...... . .. ............425 Materials, chemical testing ......... 595 ic l in Materials, testing ..................246 "Mauritaniardquo; height of waves compared with ...............16:1, 165 "Mavfly,rdquo; British airship............333 McKee, Robert M....................481 Measles in monkeys..................1 15 Mechanism and mind................332 MEDICINE AND SURGERY. mdash;Ambulance with removable lining .581 mdash;Artificial measles in monkeys......1 15 mdash;Blood-transfusion ...........123, 129 mdash;Cancer research ................49 68 mdash;Colodium dressing formula corrected ..........................3 17 mdash;Electromagnet for oculist .... 569, 573 mdash;Gall -stones .......................110 mdash;Heart diagnosis by electricity......81 -mdash;Hospital cars ....................203 mdash;Home-made aseptic gauze..........228 apos; mdash;Home remedies for burns and injuries..........................228 mdash;Lupus, treatment ................. 28 mdash;Malaria, prevention of............. 31 mdash;Music a cure for aphasia...........4 68 mdash;Patent ruling for medical compounds .........................232 mdash;Pellagra inoculation experiments ... 490 mdash;Radium in medicine............... 72 mdash;Radium Institute, London......... 224 mdash;Smallpox in the U. S., 1909....... 47 Mental traits and eye color..........476 MERCHANT MARINE. mdash;American registration of ships.....119 mdash;American shipping ................ 44 mdash;As auxiliary to navy.............. 50 mdash;Free ship bill.....................119 mdash;Free ships vs. discrimina tor y duties ..........................2911 mdash;Higher wages for crews............417 mdash;Navigation laws prohibit...........56mdash;Panama Canal makes necessary, 43, 564 mdash;Plan to establish by treaty........227 mdash;Preferential duties vs. free ships and subsidies ................... 46 mdash;Upbuilding through Panama Canal. .270 mdash;Russia plans to upbuild...........417 mdash;South American trade.............48 mdash;Ways and means.................. 50 METAL. mdash;Cloth from .......................302 mdash;Prepared for painting............. 392 mdash;Vibrations of .....................150 METEOROLOGY. mdash;Agricultural status ...............382 mdash;Airmanapos;s weather bureau..........98 mdash;"Anticyclonerdquo; ....................222 mdash;Atmospheric pressure in prehistoric ages ............................319 mdash;Hannapos;s climatology ...............203 mdash;1911 hot summer in Europe........458 mdash;In American universities...........843 mdash;Meteors show speed of alr-currents.300 mdash;Remsen, Ira ..................... 183 mdash;Self-luminous night haze........... 99 mdash;Shaw, William Napier............163 mdash;Stations m South Pacific.......... 19 mdash;Trade winds of Porto Rico........316 mdash;Weather forecasting competition... 335 mdash;Weather ldquo;kiosksrdquo; ...............477 mdash;Winds ............................ 99 mdash;Wireless telegraphy in weather service .........................111 Meters, gas ........................311 Meyer, George Von L ...............507 Mico -concrete poles .................427 Micrometer, simple coinstruction.....560 Microphone for finding hidden water. 27 Microscopic photography ...........4VA Microtome, Minotapos;s ................224 MILITARY ART AND SCIENCE. mdash;Army aeroplanes in France........226 mdash;Illuminating pistols ..............2 23 mdash;Range finder, Barr-Stroud.........321 mdash;See also Aeronautics, military and Ordnance. mdash;Wireless army equipment......... 408 Milk bottle cream separator.........281 Milking machine ....................173 Millikan, R. A.....................205 Mind and mechanism.................332 Mine safety demonstration.....apos;335, ;498 MINES AND MINING. mdash;Anthraciti coal production.........229 mdash;Automobiles in minIng............29 mdash;Gold mining, cost.................157 mdash;Ore-handling machinery ...........58 mdash;Waste in mining coal........138, 150 mdash;Ways of mining coal..............206 Minotapos;s microtome ................. 224 illusions .................... Mirrors, reducing ...................534 "Mona Lisardquo; .......................534 Monkeys, artificial measles...........115 Monoplanes. See Aeroplanes. Montauk, Atlantic terminus.......... 42 Moon and clouds.....................3 41 Moon, harvest ..................299, 305 Moons of Uranus.................... 171 Motors. See Internal combustion engines. Motor vehicles, See Automobiles. Mop head and wringer...............12 Moths. fighting .....................256 Motion pictures and phonograph......155 Mouth-organ industry ...............2 55 Moapos;Ving pictures of the coronation..,. 265 Mnemonic rules for chemists......... 45 Muffler for gasoline engine. dangerous one ............................. 32 Music, a palliative and restorative...463 Mutations, artificially induced........ 42 N Nagel, Charles ...................... 43 Nail holder for claw-hammers........32 Nantuckt .Sound, waterspouts........ 27 Natural gas. See Gas. Nalure1 s varied colors...............406 Nasau Boulevard aviation meet .... .313 NAVAL AFFAIRS. mdash;Adequate navy needed.............5 12 -mdash;Aircraft . n German maneuvers.....362 mdash;Battle practice, example of efficiency .......................... 57 mdash;Business management ........5 13, 517 mdash;Command of sea important.........512 mdash;-Comparison of Italian and Turkish navi es .....................370-371 mdash;Fleet, readiness for service . . 514 , 532 mdash;German and American navies......77 mdash;Merchant marine as auxiliary...... 50 mdash;On board a battleship.............524 mdash;Battle practice ...................3 10 mdash;Slup-building law .................570 -mdash;-Training men to shoot............ 520 mdash;New York naval review............402 mdash;U. S. rank among naval powers, 522, 532 mdash;See also Aeronautics, military and naval. Naval aviation. See Aeronautics, military and naval. Naval review, comment..............5 07 Navigation perils through derelicts. .. 51 Navy and the inventor...............444 Necessity and invention.............. 22 Needle drill.......................433 Nieuport, Etouard ..................360 Nernst, Henry Walter..............271 Nervous prostration treated by music ,468 NEW YORK. mdash;Budget exhibit ....................3 32 mdash;Electric exhibit in Grand Central Palace .........................378 mdash;Firemen, college for..........364-305 mdash;Refuse disposal ..................55l mdash;State barge canal..................277 mdash;Subway problem ..............22, 470 NIAGARA FALLS. mdash;Compared with Victoria............2 03 mdash;Plan to use, without marring......227 mdash;Preservation......................206 Night haze, self-luminous............ 99 Nitrogen and soil...........167, 507, 539 Nobel prize to Madame Curie........467 O Obdorsk salt lake.................... 99 Obesity, treatment of................171 Observatories, astrophysical .....23. 37 Ocean steamers ..................52-55 Ocean swells, South Sea............. 75 Ohio River improvements...........204 Oil conservation ...................142 "Olympic,rdquo; description ............. 8 "Olympic apos; -"Hawkerdquo; collision .. 290, 389 Opium problem in China.............186 ORDNANCE. mdash;Ammimi tion rooms ................525 mdash;Disappearing carriage, Emery......501 mdash;Deposition of guns on warships, 318, 325 mdash;Experiments on. a caisson..........310 mdash;Illuminating pistols...............223 mdash;Maxim, Hudson .................491, -mdash;Range finder, Barr-Stroud.........321 mdash;Recent developments ........520, 534 mdash;Target practice ..................526 mdash;Turrets on center line, standard ... 516 Ore crusher, Edison patent........... 13 Ore~handling machinery ............. 58 Ore transportation ..................58 "Oregon,rdquo; U. S. S., compared with H - M. S . ldquo;Lion"...............230 "Orionrdquo; ...........................431 Osborn, Henry Fairfield..........73, 79 Oxy-acetylene blow-pipe .............294 Oxy-hydrogen blow-pipe ............11lt;300 Oxygen production .................11lt;103 Ovmgton, Earl L...................313 P Pacific phosphate Industry...........419 Page, L. W........................ 257 Paintings locked to wall............554 Painting, lithophone ................ 17 PALEONTOLOGY. mdash;Atmospheric pressure in past geological ages ....................319 mdash;Osborn, H. F...................... 79 CANAL. mdash;British-built dredger .............405 mdash;Difficulties encountered ............270 mdash;German criticism .................270 mdash;And merchant marine.........43. 564 mdash;Progress of work.................597 "Pandora,rdquo; cruise around the world, 28, 37 Paper money, materials..............237 Parasites and rainfall .............. 2 27 Paris green as Insecticide............57 Paris to Pekin in nine and a half days ........................... 38 Parthenon, new relic of..............162 PATENT OFFICE. mdash;History and growth................152 mdash;New building needed.....192-194, 445 mdash;Perpetual motion machines........56l mdash;Priority of invention discussed ....446 mdash;Veterans of the patent office.......450 mdash;Commissioners and examiners.... 33, 35 173. 192. 234. 374. 393, 394 PATENTS. mdash;Compulsory license ................14 mdash;Confederate patent for b r e e c h plugs ...........................561 mdash;Edison roll patents................ 13 mdash;Heany tungsten lamp cases........393 mdash;International validity .............222 mdash;Legal noteslowbar;lowbar;lowbar;lowbar;14, 35, 62, 86, 152, 153 174, 194, 232, 351. 574 mdash;Medical compounds ...............232 mdash;Millionth patent ..................152 mdash;Patent property, infringement and protection .......................444 mdash;Plan to protect....................187 mdash;Reforms in patent procedure. 446, 464 mdash;Re - issues .........................M 74 mdash;Report of commissioners reviewed . .480 mdash;Undeveloped patents .............. 60 mdash;Women patentees .................413 mdash;See also Inventions; Patent Office. Pekin -Kalgan rail way........409-410-411 Perpetual motion ..............452, 466 Peruvian rain-tree..................2 44 Petroleum. See Oil. Phonetics, museum of speech........1)53 Phosphate, American ................110 Phosphates in the Pacific............419 PHOTOGRAPHY. mdash;Camera, ball clamp holder ........ 412 mdash;From aeroplane .................. 404 mdash;Integral photography .............164 mdash;Invisible ray photography..........167 mdash;In railway work...................155 mdash;Microscopic ......................412 mdash;Miniature projection apparatus for legal photography ............. 209 mdash;Pocket camera ....................2 82 mdash;Roentgen ray photography........426 PHYSICS. mdash;Isolation of an ion................205 mdash;Milliean, R. A...................205 mdash;Nernst, Henry Walter............271 mdash;Radium bromide preparation.......5 60 mdash;Thomsonapos;s discovery, editorial comment ...........................570 mdash;Thomson, Joseph John............571 PHYSIOLOGY. mdash;Artificial measles in monkeys......115 mdash;Kossel, Albrecht ..................244 mdash;Laboratory methods in the solution of wage problems................1 14 Pigments, sources .................. 96 Pinchot, Gifford ............... 135, 137 Pipe and monkey wrench............276 Pipe rest ..........................28l Pipe stem, to remove when broken .. .433 Pistol nan dies for fishing rods......373 Pistols, illuminating ..............2 23 Planer brace ......................191 Platinum, substitute ................ 42 Plows, left hand................118, 275 Plug, to remove from blind hole.....392 Poles, preservation ...........229, 393 Poles surfaced with mica-concrete... . 427 Political laboratory .................3 25 Porto Rico trade wiapos;lds..............31ft. Meyer, George v. L.............511, 513 Postage stamp abolishment...........169 Postal cards, machine for printing . .. 5 POSTAL SERVICE , mdash;Abolishing postage stamps.........1 69 mdash;Aerial service in England..........2 38 mdash;Automatic mail exchange system .. 434 mdash;Mail by aeroplanes...........187, 313 mdash;New letter box....................302 mdash;Street car letter boxes.............4 14 Potassium salts, manufacture........136 Potato pick-up .....................12 Potatoes, heredity ..................2 94 Power from sunshine................ 291 Pre-historic man .......... ....188, 545 Printing, Chinese government ........427 Printing postal cards................ 5 Primitive race of Sumatra...........454 Prandtl, L.........................340 Psychological test for . . . . 29 sychology and advertising ..... 250, 251 PUMPS. mdash;Automobile ....................... 85 mdash;Jeanesville double-suction .........4 18 mdash;Wcrthington patents ..............302 PURE FOOD AND DRUGS. mdash;Appointment of referee board..... 18R mdash;Artificial preservatives necessary... 101 mdash;Food pmapos;itv, simple tests.....432, 439 mdash;Wiley, Harvey W................. 95 mdash;See also Food. Pyramids, cost of building Cheops ...1 71 R Rabbits in Australia.................557 Race- degeneration, American.........136 RADIUM. mdash;urative effect .................... 72 mdash;New lode discovered...............305 mdash;Opening of institute in London ....224 mdash;Radium bromide preparation.......560 mdash;Radium engine ................... 2 90 mdash;Therapeutic agent ...............224 H AILROADS. mdash;Automatic brake .................. 2 82 mdash;Bridgeport railroad wreck.....114, 167 mdash;Cause of accidents................. 74 mdash;Chicagoamp;Northwestern terminal.. 80 mdash;Cost of accidents...................1 60 mdash;Eighty years of locomotive practice ........................... 115 Fatalities due to trespass .......... 3 86 mdash;Gasoline tool car................... 7 mdash;Hospital cars..................... 203 mdash;In Asiatic Russia.................. 38 mdash;Miniature garden railways....473, 474 mdash;Oil as locomotive fuel.............295 mdash;Pekin -Kalgan railway ........ 401-411 mdash;Pennsylvania terminal station......470 mdash;Photography, use of................155 mdash;Russia-Asiatic railroad ............ 38 mdash;Safety throttle for locoinotives.....2 70 mdash;Sitter viaduct ....................293 mdash;Spike driving by motor truck..... 4apos;51 mdash;Steel for wooden catapos;s..............291: mdash;Track -inspectorapos;s bicycle..........::!07 mdash;Ventilation of sleeping cars........apos;105 mdash;See also Electric Railroads. Rain, artificial .............60, 99, 173 Rainbow, odor of ...................209 Rainbows and halos..................25apos;) Rainfall and parasites...............?27 Rain-tree legend ....................244 Rambaldo, A. E.....................5 40 Range finder, Barr-Stroud........... 321 Rapid transit. See Electric railroads. Ratchet drill ...................... 124 Razor stropping device..............373 RECLAMATION SERVICE. mdash;Engineering work .........146-148, 156 mdash;Review of work .................. 144 mdash;Summary of projects...............1 48 Referee Board, U. S................183 Refrigerator for show cases.........281 Retrospect of the year..........590, 591 Ricketts, H. T., and Octave Chanute.275 ROADS AND ROAD-MAKING. mdash;Coloradoapos;s sky-line drive...........442 mdash;Drag, split-log ....................1 30 mdash;Good, roads and motor trucks....... 57 mdash;Highway engineering ..............319 good roads ............ 94 mdash;Road tarring .....................5 45 Hodgers, C. P..................3 69, 449 Roll patents, Edison................. 13 Roosevelt dam ............... 131, 144 Root shield for sewer pipes.........281 RUBBER. mdash;Artificial produced ................245 mdash;Future supply ....................42G mdash;Manufacture of artificial..........2 45 mdash;Restoring hardened ...............547 mdash;Synthesis of ......................319 Rudders, forward horizontal..........55 Rumseyapos;s steamboat ................434 Russian-Asiaticrailroad building.....38 S Safes which resist o;ly-acetyleoe..... 294 Safety devices, for mines...........498 Safety spark and draft damper..... . 373 Sailors, life on warship......bull;......524 Salt lake with roof................. 99 Salvage, ldquo;Lutineapos;srdquo; treasure.........473 Saturn, motions ...................572 "Santa Rosardquo; .....................456 Saws, depth gage ..................433 Scaffold dogs, for round timbers.....433 SCIENCE. mdash;American Association for Advancement of Science............573, 594 mdash;Bessey, Charles Ed win.............594 mdash;Cost of research..................186 mdash;Curie, Madame Sklodowska ... 467, 471 mdash;Maxim, Hudson ................. 491 mdash;Notes......7, 19, 72, 92, 111, 131, 160 199, 219, 238, 266. 327, 360, 367, 407 427, 475. 552 mdash;Popular sciences ..................362 mdash;Washington Academy of Sciences, Journal ........................ 7 SCIENTIFIC AMERICAN. mdash;Gould-Scientific American prize.202, 335 mdash;Letter fr - uri Japan............... 501 Scientific American-Gould prize.......573 SCIENTIFIC AMERICAN TROPHY. mdash;Curtiss, winner ...................337 SCIENTIFIC MANAGEMENT. mdash;Abolishing postage stamps.........169 mdash;Observa tions on ................... 30 mdash;In U. S. navy................5 13, 517 Scientistapos;s ldquo;Whoapos;s who"............ 72 Scissors grinder, automatic.........456 Scissors, With compound levers ......373 Scribner, C. E.....................448 Scott, R. F........................424 Scott, Charles P....................448 Scow, automatic, self-dumping... ...55l Screw driver and tap wrench.......433 Screwdrivers, improved ............580 Screws, holder for filing............317 Screws, method of inserting......... 191 Screw spikes for railroads...........45-1 "Seabird,apos; - crossing Atlantic .... 28, 37 Searchlights vs. illuminating pistols..223 Secret lock for cabinet drawer......497 Seiberling-Vaniman transatlantic expedition ...........316, 361-366, 429 Seismology in America.............. 94 "Seneca,rdquo; derelict destroyer.....41, 51 Separator, electro-magnetic ......... 85 Sewer pipe, roots in.................399 Sewer pipes, shield for..............281 Shaker, salt and pepper combined . .. 281 Shaft welded by thermite process ... 455 Shaw, Napier ..............163 Shears, compound leverage..........373 Sheep, disease from parasites........227 Shipbuilding, eight-hour law.........570 Shipping, American .................44 Ship subsidies. See Merchant Marine. Shoe button remover...... . .........12 Shoes, wooden imported in U. S......383 Signals, aeronautical ............24 26 Silk, artificial .....................576 Sitter viaduct ................289, 293 Skylights, good and bad........385, 397 "Sky-line driverdquo; .................. 442 Sleeping cars, ventilation............105 Smoke protector for firemen.........302 Snails, artificial .................... 79 Soils and soiling. See Agriculture. Soil moved by wind................. 31 Solar power plant ............. 291-292 Solder for soft metal................433 Soldering galvanized iron.............317 Soldering flux for copper............191 Soldering vs. welding................ 71 South America, improved steamship service ........................... 48 South American trade with U. S.....490 "South Carolina,rdquo; U.S.S............522 South Pacific meteorological stations. 19 South sea swells..................... 75 Speech, museum of.................553 Speed reducer, electric ..............111 Spelling of the great. bad............22 Spike driving by motor truck....... 454 Spitzbergen development ............398 Split-log drag ......................130 Sprague, Frank Julian..............363 Springs, coil, to wind...............497 Springs, pneumatic for automobiles ..553 Spruce yarns .......................2 29 Stage illusions. See Illusions. Standards, Bureau of... ........... 246 Starch without photosynthesis........ 71 STEAMBOATS AND SHIPS. mdash;Bunkering, new system of... 269. 274 mdash;Coaling vessels ..............269, 274 mdash;Derelict destroyers ...............31 mdash;Electrically propelled ships......116 mdash;"Europa,rdquo; name changed to ldquo;1m- peratorrdquo; .......................343 \ mdash;Harbor terminal at Montauk....... 42 j mdash;High temperature of engine rooms .. 270 mdash;Model of giant steamship.........343 mdash;Navigation perils through derelicts, 41, 51 mdash;"Olympic"-"Hawkerdquo; collision lowbar;lowbar;lowbar;389 mdash;"Olympic,rdquo; description ........... 8 j mdash;Steamfapos;irS, design and construction, 1 52-55 1 mdash;Vessel broken in two.............456 - mdash;See also Boats, ldquo;Maine,rdquo; Warships. Steinmetz, Charles P............... 448 Stone age, mining...................554 "Stone forest,apos; apos; California .......... 11 Storms, energy of..................165 Street venderapos;s cry recorded........553 Students, foreign, in America, 297; in Germany .................... 3 10 Submarine boat. See Warships. Submarine cables and longitude.298, 3011 Submarine cables, new design....... 232 Subterranean temperature ........... 43 Success and education ............... 2 06 Subway muddle, editorial comment. 22, 470 Suggestions for workshop........... 580 Sulzer, William .................... 46 SUN. mdash;Bends Washington monument...... 57 mdash;Brightness at rising and setting....3 41 mdash;Power plant ................291, 292 mdash;Dial, accurate time-piece .........97 mdash;Speculation as to annihilation..... 483 Sumatraapos;s Kubus ...................454 Swiss federal railway hospital cars. 203 Switzerland, Sitter viaductlowbar;lowbar;lowbar;lowbar;289, 293 T Table for ships.....................373 "Talkingrdquo; pictures ................1 55 to prevent breaking..........191 Tapping guide .....................433 Tar for roadmaking.................5411 Target, self-setting ................ 373 Technical experts at German consulates ...........................491 Technical training- for workman. 253. 263 Telephone-submarine possible ....... 232 Telescope, open tube design.........342 Television, Rosingapos;s invention....... 574 Terminals, Chicago and North Western ............................ 80 Thermite process ..................455 Tesla steam turbine ...............296 Tests for chauffeurs ................29 Testing materials .................246 TE X TILES . mdash;German laboratory for testing.....1)97 mdash;Silk, artificial ..............576, 577 mdash;Yarn from spruce tree.............2 29 Thistle downs, natureapos;s parachutes. 316 Thomson, Elihu ...................448 Thomson, Joseph John..............571 Timberland. See Conservation, Forestry. Timepieces, sun dial................. 97 Time signal bv wireless.............553 Tires, puncture proof................233 Tool car for railways............... 7 Torpedoes. See Ordnance. Tracy, J. E. W....................257 Trade school, Wentworth Institute .. 326 Trees. felled by electricity.........480 Trees, petrified ,,,,,,,, mdash;.mdash; W Trees, wood-oil, for the South.......507 Truck, hand, for stairways.......... 12 Tricks, taught to animals...........2 17 Trolley car propeller ...............343 Truck, traction ....................11 T -squ are, magnetic ................ 317 Tube, brass, method of bendig....497 Tube cutter ....................... 228 Tube, wooden,, to make.............84 Tubing, reducing the size............ 32 lapos;U HBINES. mdash;For naval vessels ...............16 mdash;Tesla steam turbines..........296-297 Turf as a filter..................... 4 Turnbuckle of bicycle spoke......... 84 Turpentine ..................,.....""38H Typewriter for the blindlowbar;lowbar;lowbar;lowbar;........600 Typewriter, with perforated roll. .... 105 () Uranus satellites ..................apos;171 U. S. Army. See Aeronautics, Military and Naval, Military Art and Science. U. S. exhibit, labor saving appliances.198 U. S. Fisheries. See Fish and apos; Fisheries. U. S. Navy. See Aeronautics, Military and Naval, Naval Affairs, Warships. U. S. PRINTING OFFICE. mdash;Postal card machine.............. 5 Utility and beauty................. 2 "Utah,rdquo; U.S.S....................96 Vaccination, importance of........... 47 Vacuum cleaner ....................28:" Vanimanapos;s ldquo;Aki onrdquo; lowbar;lowbar;lowbar;lowbar;........429 Vaniman-Seiberling transatlantic ex - "Vanish trickrdquo; box.............. 190 Varnish for ships................... 7 Vedrines crossing Pyrenees........... 3 "Vegardquo; ............................104 Vehicles, sprmgless truck........... 600 Veneering, new method.............124 Ventilation of sleeping cars.........105 YE TE RI NARY SCIENCE. mdash;Parasites, caused from excessive rain ............................2 27 mdash;Use of X-ray photography.........456 Vibrations of metals................150 Victoria Falls .....................203 iolin, ........ ........ Vise for bench toys.................32 Visual sensations from alternating magnetic field .................. 31 Vries, Hugo de.....................423 w Wage problem solved bv physiology..114 Walkingsticks, French ....386 Warfare. See Military Arts and Science.........................223 Waring, John Burger.............. 439 WARSHIPS. mdash;Ammunition rooms, cooling........525 mdash;British dreadnoughts .............230 mdash;Compared with airships of the future .....................181, 185 mdash;Ci-uiser dreadnoughts unnecessary. .418 mdash;Disposition of guns ...........318-325 mdash;Effects of recoil from gun practice.470 mdash;In New York naval review........402 mdash;Landsmanapos;s log aboard a battleship, 344, 345, 356, 300, 398 430, 478, 516, 528, 532 mdash;"Lion,rdquo; British battleship.........222 mdash;Navies of Italy and Turkey compared ....................370, 371 f American and German navies ...77 mdash;Of U. S, Navy...................514 mdash;apos;-apos;Oregonrdquo; .......................230 mdash;"Oregon,rdquo; prototype of dreadnought-222 mdash;"Orion,rdquo; British super-dreadnought , 431 mdash;Possible size .....................167 mdash;Propelling machinery ............ 518 mdash;Section of battleship for attack . 310 mdash;See also ldquo;Maine." mdash;Submarines .................5:10, 534 mdash;Twenty yearsapos; development...... . 230 mdash;Turrets on center line .......516 mdash;"Utahrdquo; ......................... 96 mdash;U. S., influence on designs....... 5l6 Washington monument bent by sun-. 57 Wasps ........................ 102, 109 Watch, mechanism ................. 95 Watch screws, toapos; extract...........2 28 WATER mdash;Bag, heat-storing ................412 mdash;Deep springs found by microphone - . 27 mdash;In motion .......................165 mdash;Pail for trams and boats.........392 mdash;Powder for electricity.......182, 184 mdash;Waterfalls of the world........... 83 Watermelon flesh, why red..........406 Water-mixer valve for bath tub.....581 Waterspouts ........................ 27 Waver, energy of................... 165 WEATHER mdash;Forecasting competition ...........335 mdash;Insurance ......................... 69 mdash;"Kiosksrdquo; ........ . .. ....... 477, 485 mdash;1911 hot summer in Europe . . 458 Welding by thermite . ... 455 Welding vs. soldering ............ . 71 West Africaapos;s clay-eaters...........408 Westinghouse, invention of airbi-akfapos;, 13 , ,34 Weyman........................333-355 Whale meat as food.................56 Whales, stranded school............256 Whales, varieties of................169 Whea t experiments .............55, 369 White-wash from cactus plant......422 "Whoapos;s who,rdquo; scientists ........... 72 Whymper, Edward .................307 Wilder, W . H.......................350 Wiley, Harvey \V...................9-5 Willow, for basket making...........3 57 Willow stripper .................... 33 Winds, light and heavy............. 99 WIRELESS TELEGRAPHY. mdash;Armv equipment ................408 mdash;Electric wave detectors............365 mdash;Fog signaling .....................12 mdash;Japanese weather service...........111 mdash;Messages around the globe.........575 mdash;Portable military plant...........408 mdash;Watch set by signal s.............452 Wooden shoes, in U. S.........383, 1)40 Wood oil trees in Louisiana........!)07 Wood pulp for silk.................576 WOODWORKING. mdash;Joints ............................32 mdash;Spur-chunk ......................392 mdash;Turning duplicate forms..........497 mdash;Turnerapos;s screws, removing waste .. 392 Woodworking, turning duplicate-forms ......................... 497 Woolworth building ..........113, 119 Workmanapos;s attitude toward the machine ...........................496 orld patent .... ... ............. 2 22 Worthington pumo pateits..........302 Wounds, remedies for...............228 Wreckage, cleared by oxygen blast cutter ..........................319 Wrench, monkey and pipe combined.276 Wrench, tap and screw-driver......433 Wright, Orville ...............404, 405 Wight, Wilbur ...............337, 355 Wrist pin, lubricating.............. 392 Writing, family likeness............496 Yeast, and its by-products..........494 Yeast as a food.....................251 Yeast, manufacture of..............494 Z Zeppelinapos;s airships .................472 Zeppelinapos;s ldquo;Sebwabenrdquo; ............472