ILLUSTRATIONS Aoroport, R. Porter's............32r Air ship Avitor, Mariotts......... 356 Awning, Miller and McClellan's .. 344 Hind saw, safpty. Plass'.......... 129 Battery gun, Gatling's............ i53 Blasting charge. Werlicb's......216 BUnd sty1e borer and mortiser .. 2 Blo wp I pe, useful.................. 360 Boiler safety apparatus, Lynde'l: 148 Bone mill, the diamond.......... 84 Hoot-jack:, 8eymour's ............. 401 Brace bit holder, Winlelhouse's 325 Brazing lamp, useful.............. 340 Bricl BAI edekin( and Due-berg''Cli."'..............;s.....3,3 ' BIick machine, sieam, "VVi'rn's.... 32 i I ;ridge at Copenhagen............ 81 i Bridle bit, Baldwin's.............. 29 ') Bridle bit, Hockwell's............ 4 Bucket, Tomlinson's.............. 168 Bugsy top, StillengerV...........i29 Building, lire and r proof......168 ( Caissons for pier building........ 81 Calculating machine, Re:elt's . . . 360 Can opener, Blealdey's............303 Canal of Isabel la, in Spain ........ 305 Candle holder. etc ., Ault's ........ 3'3 Car brake, Wal ker's .............. 1S' Cur heateer and vent ilator, Him- rod's........................... 10 Car trnck, Morris &I'ranklin's ... 14.5 Car truc]{, ilson's............... (G Carbon tool points, Dickinson's. 49 C8hsting apparatus for metaIs, etc. 180 Chu:ch orl Shepherd, ):If ford, Conn..................... 52 Coal scuttle. Ellithorp &Slonn's 72 Concrete builriltrs. wstructilg 257 Corl= extractor, Morton's ........ 152 Cork extractor, "iJSOl'S ......... 57 Corn Rhellcr. SmUl's ..............338 COllage vi1bl. GothlC ............. 10 : (ross . heaclLubric3iOf,C0ugdon's 3u D Dccoy duck, Foster ' s ............. 260 E Earth closets, ].oule's............ 35 EEjector conden ser , Morton'; . .. :,. 389 Electro-heading apparatus, Burton's ....................... : :... 133 Electrolytic insulation, Fltzg8r-ald'8............................. 338 Engine, aero-steam. -'Yarsop';1 .... 1!(j Engine, Sl:W &Justice'. ........ 38 F Fara atelJ 's.............. 264 Feed-Witter heater. Mack's.. .....24f Fence, wire and picl{et, Dlwh;'... 372 FEter, a sirnle .................... 344 Fire engine, cCartlly's ........... 4C1 Fire grate, McElevys ............. 264 Flooring clamp, Nevin's .......... ;13 Gas generator, Dundel'dalc's....164 GaB machine, Maxim's ........... 113 Gin. SfW gummer. Burdine's...... 120 Glass botr.es. manufacturing....225 Glass, colored sheet..............226 Glass window lights, Demutll 8.. 248 Glassware press, Ha wes &Ielsey's............................. lj I Harvester cutter bar .............. 177 Harvester nitman connection, "ood'R.........................3.6 Hojs1;ing; apparJ,tus, Clnneld'8.... 8 Horse colltr. Meyer's............. 69 Horseshoe cealks, Berne's .........296 Horseshoe c:1l18, Goddard's...... 200 Horseshoe Clincher, Repp's...... 5 1 Iron and steBl by Henderson's process.........................212 .- R eyhole guarr, Hnffnagle's...... 120 Knjfe gU:1rrl, Goodes' ............ 277 Knife sharpener. Howland's ..... 312 Knitting machine, Hinkley's..... 1 L Laboratory pump, the Bunson ... S LaraD cxtinguiEhcl'................ 88 Lamp tiller, Staple's ...............34 R l eveling instrument, Sibley's .... 232 Life-savillg apparatus............. 37 Locomoti ;0 for Pacific Railroad. 148 Ioom, positive motion, Lyall'H .. 17 Lo" water detector, etc .......... 328 l ]fagic diamond, tlH............... 56 Mlicr oscope, Logan's .............. 20 .i11 bushes, Cllstcr't LLLLLLLLL 289 Millstone-dressing guide, Dickinson'3.............) ............. 3j Molding machine, McKilllcy &Mellor's......................... :95 * Nugtret, Welcome Stranger...... 260 Nursingtabie, Larkin's ........... 40 I Poach tree jnseet..................2{O Pendulum' a simple............ 118 Pendulum rodlr ason's.........:. b8 Photographic printing apparatus, Richard's ....................... 312 Picket'pointing maclline......... 184 Pile drivfr, Shaw's................ 0' PPipe to ngs, Cr ai n's................ 180 Plow, M gan n'H) .t. . ... ................ 24 Portrait of Hon. a. S. Fisher......i2i41 Poitrait of Join A. Roe'ilirig..... 116 Press cotton and ha y, Chapman's 245 PPIroCStSe stant ch urc h, p ro p 0 sed Sp a ni s h .........................29? Pumping apparatus, ship, R01's. 20 R HJ.il splice a11d elnir Au.ls'....338 Hanroad, portable, Petoler's...... 7 .aill'oad switch, Douglas's ....... 27 Railroad viaduct, Iausanle ......212 H ail way bridge, the Seine .......402 Haihay, Harrison's...............392 Railway'permanert, Wilson's::. 280 RaUway station, St. pancas.:....376 Hailway water supplier, RarriSOIls ............................ )69 Rear horse, the insect. ............ 181 , Rock drill, Bank's................. 65 I Rotanr grate, Byard's ............. 36H ' Royal Albert Hall of Arts, etc ... 3G4 : Sadiron heater, Kennedy's ........ 116 Saw hangings and sa;s, Andrews' .......................... 248 Screw piles, sinking...............3S5 S eeder, T u nstall ': .................104 Sh atting h.a.ngcr! G allatin's....... 360 Shelvin., W. &0.. Koch's .........216 Shingle maehine, Chase &Mor. ton's ............................ 129 Siding hook, SlJrp's.............. 228 Solar eclipse, the great ........ 11', 165 Spcctae1e and eyeghtss frames ... 308 bpirit leveL anLl inclinometer, l)avis'........................... 5 State Upnitol of ll1inoie........... 324 Stonecutter, Bishop'il {.i: : : : : : : : :232 Steam boiler, t:e herner.........231) Stcan1 engine, stational'y......... 161 c tump puller, Robertson'8.......104 Tanning apparatm Kauffelt's.... 193 Tea-kettle breast. Dixon's ........ 2, TeleDaraIsh sounding instrument. Telegraph' s..at.on and 1ights...p.. 2A6 Telegraphic insulator, Simond's. 63 Tent roof g a rd en ch,tir............372 Time register, CO urvojsier's..... 289 Tire tightener. Pearson's......... 88 Truck plow. Mickelson's ......... !fiG True bhl,C watter w l{ eel. Newlin's .. 200 Turbine water wheel, Roland's 280 Turkisb hookah....................3B) '' v V clocimeter, lewiH' ............... 309 Velocipede axle, Spurrier's ...... 56 Veloogcligpgegd6e stewhS:................392 vei'icipede spring, Bueii's....... 37 Vent s t o p pe r , Pratt't .............. 35'7 Ventilator, automatic, _eatl's .... 4H Ventilator, the LeSpCl'EULCC ....... 56 Vise. hand Stevens' ............... 32: W W agon front gear, Finley's ....... 136 ,agon, oseil1ating, JacKson'I .... 19'7 "a g on tongue . Alexander's ..... 340 Water niter and cooler. Scha r p's. 36 'indow-sash fastener, Walker's. 21 WIndow push fastening, etc....... 5 MISCELIANY. Figures preceded by a /ta)"' (*) refer to illustrated articles Acid rivers ......................... 385 ACids, taltaric and citric .......... 363 Addrt-8S of Han. S. S. Fisher ...... 241 Advertiser's tc6timony........... 199 Adverlising made easy ............ 2-J7 Advertising-what it did.,...... 38 Aerial naVIgation, 59, *301, 31.5, *325. 343, );3G, :3'j3 Aerial voya,f to New YOlk .... 5:), 119 Aero-steam genrators ............?A:l Azapsiz on Hnml1oldt ............. 21, ,gricultural, improvements ...... 219 Air in illuminating gas ........... 40 Airits weight discovered....... 91 Air kept pure in Iick room ....... 278 Air, what is found in .............. 227 Alarm bell for locomoti ves ....... 2: Alberty.pe, the . ............. . ..,. . ... 279 Alloys and low temperatures15 ;5 America discovered by the Chinese ............................. 18: American Architects' Institute 114, 1,0 American bunting ................. 218 AmerIcan carpets.................. 218 American CiVIl Engineers' foci- Amcl'lcan commerce) depression in ......................... ... ..298 American Engineering in Chi. na................................ 233 Ameri can Institute Exhibition 187,202(2), 217, 233: 249, 265,281, 298 American instIt u te Fair, incident at ................................ 32; Amercan :nstitute: highest American inventorscelebrated. 394 American 1nventorsin brope... i0: American locomotive boilers.... 104 American loeomotive. the first.. 3 66 Amertcan macnlne twist..233' 234, 266 American nachinery !xhibited 2)0, 265 American mowers and reaPQrs... 218 American Science ASSOciation 147, 162 American silk........,............. 58 American :i1ks exhibited ......... 283 American wine production....... S; American woolen goods exhibited............................... 218 AAmmerican wo olen m anufactures. 283 Ammonia in the ar ts............... 20Z Ammonia powder .................. 29; AllllllOniacul gas-engines .......... 338 Auilllal fiber separated from yeget-ble..........................3 39 Animals-do they think . ....... -.' 152 Allnoullcercnt for 18'0.. .361, 3'9, 407 Answers tx eor l 'Psp ond ent s, 12 , ;8,,, 43, (i, li 5,91, 108,121,140,156,172, 1 L8. 20 4, 2 Z0, 236,269:284,300,316, 333,348:863;396,410 AntrJracite coal, hints on burn- Anthr3cite coai regIOn........... 131 Anti-llcrustation compounds .... 213 Architectural lOgineering........ 9 Arctic explorer C.F. Hall, return of........... -I................... 2. Argand lampits hi st ory................ Ar s e m ntme Repnblic hXpositIOn.. 134 Artdla c eaters of Styrut.........2Hi Artesian wells In Europe......... 38 Artificial blushes-how pr o dueed................................121 Artificial lIght, Monckhoven 'g.. . 063 Artl ficIal stone how made........A60 ArtIllery discbarges and climate. 315 Artillery fiI lng-, phenomenon in .. 870 AsSSI aragus beetle.................. *67 A sphalte waiks I . . . ....I.......... 150 Assim i lation of inorganiC matter 16 6, 230, 263 Aurora b orealIs, nature o. f. . ...... 327 Auroral earth-rIngs............... 3S Auroral spectrum" lI nes...........230 Avondale collIery disaster___201, 214 Awnings wanted.................. 101 Balloon making....................257 Balloon VIeW of London fog ......410 Balloon voyage, perIlous .........298 Ballooning, dangers ol ........... 129 Ballooning In Cullfornia.......... 75 Bathing, rules for.................. S Bathome ter, th e................... 6 B:ttery, an improved......' .." ' : 11 .Beer on raHt, Row to keep..... 75 ieeswax, testing.................". 196 Beet-root suU m crop...i:.........228 Beet-root sugar in Balifornla 8 Bellts and chimes................... 299 Bells, something about.............. Belt, enormous................... 42 Belts tor a gIve n horse powd e r 35 Berge n tun nel, D rum m ond light m......llle;................... . 215 Berltn Heat Wll Gasworks......... 355 Blackberry wine................... 147 Blanchard, Thomas, sketch of ... . 395 Blast furnace, Lurmann's . .... 264 131astlOg on PacIfic rallread .-___358 Bleaching straw hats................. 132 mock fuel.......................... 103 Blood staIns, test for.............. 87 Blowers exhIbIted............... 281 Boat, a paper....................... 11 Bogardus, James, sketch of......394 BOller exploslOn at IndIana State Fall'............................ 243 Boiler exp l oiilOns f............218, 813 Boiler hestine s OIface............. 371 BOller Inspector's I eport for Jnn e........................... 9 BO ller test proposed.............. 182 BO iler, the comIng................ "53 Boiler, the Gerne r.............231, 246 Boilers , portable.................. 179 Boilers, testing.................... 263 BOiling, theo:: of..............106 : 119 Bone hour....................::... 69 Botal'cal ppardens ne;.ded:.. : . . . : 6 Boftle stoger, s:fety.............139 Bottle-stopIng cement........... 39 Boulder, Michigan Univers I 22, 163 Boulder rocks, Canadian......... 220 BraIn aud muscle..................378 B randing catttle................118, 151 Brazilian cuttle fish.. . ....... ... ..*213 Brazing a ban l saw................874 BBrread, to make good.............. 86 Br l ead, wholes ome................. 7 Brick and tIle maclnne, Hotch- ki c S and Buss'.......... II.I ..... 311 Brick burning, steam jets in...... 315 BrIdge across BrItish Channel 107 BIdgh I g tlle ConnectIcut......... 5 British ironclad Gla tton........... 355 Br ltuleworts, what are.........-. 151 Bronzing porcelain, etc...........231 Brgom-corg in ihe south:::::: :1SS Broo:-! orn. seed. cleaning.......2 78 Brown-stone fronts.............13, H Burden, sketch of Henry.........406 Burial, premature..................35 BuUs r iIess correspondence . ........ 24 B UBIness hInts.....................169 c Cable, German y and U . States .. . 171 CabdmIum and Its uses........ u Callfornia f airs.................262, 278 Camphor water.................... 228 CanadIan patent law............39, 213 Candles, orIgIn of..................316 CaoutChOUC, mIneral.....lll...... 99 CapItal, new mode of obtainlng.. 102 Car improveIL.cnts................ 1 " 4 Car wheels......................... 215 Carpenter tools, care of........... 368 Cedars of Leban on............... 203 Cellars kept from freezIng........Si9 Cement.........................258, 392 Cement, acid mroof................ 83 Cement for !fon and stone.. .....- 39 Cement for knife and fork hand I es............................. 23 CemeterIes how made an d man aged.............................. 4 Centurm lantI.........".......... 59 Chair, a durable.................... 107 Cheap building, fanlts in......... 103 Cheap production, philosophy of 41 Cheese, RoquIOrt................ 242 Chemical di,covery th e past year l 4i2 CheiIcCal knowledge, druggists'. 195 Chemistry and lIfe................ 87 China and the Chinese............ 177 Chinaman on Chinese question .. . 131 Chinamen as raIlroad bUI.lders... 75 ChImamenIn Caliform a .......1 05, 132 Chronometers, varIations of.....118 Cider mnufacturing............. 194 CCIIder vinegar, good................73 C Ir cu l a r saw, the olde st......1b6, *198 Circulation I bOrllers............. 73 City directory cu IS Ositiee . . . ...... 323 Cl ock of Beauvais cattledral..... 114 Clock, the great Strasbourg......114 Clocks, doctorin g dIsab le d .......lb2 Coal and coal mines............... B08 Coal asheE for earth closets....... b7 Coal dust fuel...... aCIf...... .41, 106 Coal fields, . orth Pacific......... f6 Coll fh ow che apen ed.............. 112125 Coal mines, temperature of...... lis Coal, products of.I ff .............. 103 Coal, remOVlns tariff on .........17 Coal t ar for preserv tll g wood 69 CoaIng castmgs WUh gold, etc.. 2'9 Coating fibrous materIals......... 218 Co lkrocnes, to kill................ 230 uoc fee why a st lmnlant...........2477 Colliery explosions, preveniug *lli7 CollodIOn v arnis h, pllotoprlnt.. 51 Colorado experduitlOn..............2 29 Coloring matters, newest........ 1 97 8ggring sm all tetallic obiects.. 283 Colors fixed on textiie fabrics.. . 183 Colt, sketch of Col. Samuel.......408 Comets, theUoIry mg ..........27, "19, 263 Concrete building I Sco tland___ 34 condensed food.............n.... 346 Con ductmg powers of materials . 214 Constructive facnlty of mind.....408 Cooper, Peter, 8ketcll of..........394 Coo p per Union report.................. Copper in animal kIngdom.......162 Copper in am aniell's battery, substl etu tn D or...................... 3 Corals, reef bUIldIng.............. 11 Corduroy road, to build.. :....:.' 279 Cornell Univmity.........:...... 57 Cornish pumping engines.......', 247 Corns, treatment of.......107,118, 243 CorrelatIOn of forces.............. 278 Correspondents, to..me.......... 360 Cottonplcking mach .ne....5 3, 278, 358 Cotton-sced Qli.......... ll......... 261 CoverlU/ powers of white paint . 147 Crack oi ctoom.....................330 C(Jrosse ex (poerIments, the..........*300 Croton water supply . ..... d. .......265 Crumbh ng of pIston heads, e.tc . 134, J66 Crystals on d ried grass, ftovrmlmu-. 371 Cu mberland coal, opelations in.. 195 Curency reform, how accom-mlished.......................... Cut Ling edge for reapers.......... 160 Cyl uU ders, balancmg heavy...... 89 D Daniell's battery cell, cheap..... 107 Darwimsm and desIgn............231 Deaf mntes, commnmcation with *372 Death from bnrstmg soda bottle. 364 Death, method of ascertaimng... 2 Death 0of1 Henry J. RIaym ond...... 9 Death of Joseph Dixon, Iventor. 6 Death ot OtIS Tufts................ 34.5 Dftath of Paul A. Sabbaton....... 345 Death watch...................... '22D Dea c th ative m aterIla l, a n ew...... 10 D lealollO ndls of Brazil............... 154 DI arrhea, p r e cau t ions in......... 107 Dirty shops, etc ................... 361 Discovenes in Can a da, Interest-inb.............................. 34551 Dlsease, hidden g Cl!erators of.__. 41 Diseascg from lead and paInt..... 35 Doctors dIsagreeing...........1 0 5, 119 Dogvi7oocls used for gunpowde r .. S06 Doom of the Maorimg.............. 391 Doom, our l 1 pending............. 371 Draft In on mneys................. '7 Drake , the oil p iooneer.............340 Dried g rass, t1 o colorstaln........M29 Drowned persons, restorIng...... 150 Dr Y y docks at Brook.yn............ 107 Drye Ing substtances, meth od fo r.. 38 7 D ust. mg.............................. 226 Dyeing and printin g............... 131 Dyeing black n nnptom cotton: : . : . . ..116 Dyeing silks........................ 167 Dyna nite, experIments w: h.....330 DDyyspe pISIa, nervous................ 245 E Earth's internal temperature . ... 165 ::r:hquake-pr"of bUildings.....275 East River Bridge......27,171, 30l3,401 East River BridgeBr!ooklyn terIDmus........................... 171 East River Bridge CommIs sioners.. ... .B................... .... 120 East RIver Bridge, Now lan's report on......................... *85 EclIpse of sun Ang. 7 th.........74 137 Eclipse of sun, to o.serve......... 107 Editorial summary 27. 39. 59, 75, 123,151,171,187,203,215,231,315, 39, 371 Edncation of the hand.........297 393 Eggs, preserving..................371 EElleeccttrrIICC bEacons..................234 Electric organ exhib. ited.........266 Electric spark, coloring the...... 2 6 6 Electrical phehomena this ybe' ar.. 39 Electricity and sewIng m achines 311 ] lectrlCl ty in makmg textile fab rics..........IC ........... . ...... 135 Electro.magnetic engine exhlblted......... l................. .. 282 Electro.magnetism and Oersted 327, 331 Eleetro.platmg and gildmg...... 153 Electro-plating bath..............276 Elec tro-platmg of paper.......... 91 Electro-plating with uon........ 346 EElleements of matter, classlfmg .. . 16 2 Elevator opfe ratmg................ 136 EEnmaery wheel dresser . ... ........... 33310 Enamels............................ 75 Enameli. ... . nd pollshing.......... Engine, mgIn aI anture................. 2'57 Engines, aero-steam........... 201 282 Ellgleering, good piece of....... 137 EEnnggmnneeeerrmIngg, lates t a C hI e v eg m ents In........................ 198 Eng h lis eer :ng pro Ject s.............. 59 English m oal fields, dUratIOn ot .. 165 'nglIsh f ron........................ 294 English telegriphs.... p........... 214 Ericsson, sketch of Capt. Joh n .. 409 Example tor young m en.........202 Exeter C hange-EnglIRh humor . 184 ExeibitIOn at Norristown, Pa . Sept. 23d...... e .................183 ExpanSIOn of mineral oils. .38, 86, 247 EExperiment by Prof. Sll)iillman_. .. 10 ExploslOn of wood-prelervmg tank............................. 315 Extended patent, valuable......216 ExtenSIbility HI machInery materials............................ 103 Ext n T6 . ' applications f 13, 28, 43, 60. 77.94,110,124.157,190, 220, 252, 284, 299, 3M, 366, 282 FaIrs and exhIbIt.ions, mecham c.l............................... 121 Farada gy lecturesMr. Dumas ]n England.. f! t................... 55 FFaarming, profitabl e...............35151 Fatty su bstances, observatlOns on............................... 103 FIbrous plants, llttIe know n..... 73 Flfth Avenu e paveme. m. .......... 22111 Fi le c utteers.........l..lC........ 29' FFIInance, modern practices in__._ 59 Fir trees dlVmg Roll.Cl .......... 72 Fire alnrm, New York city........168 FIre brick, substitute for........364 Fire ngIne B , che mical............ 807 Fire-extingulshiI g a p par at u s wanted......................... 183 Firefy, the....................... *52 F l' re p ShipPing at BoIOrdeaux___. 279 Fire-proolfP colstruction......114, 130 Fires, causes and preventIOn of 393 Fires from steam p'pes.......278, 311 F ilres In hUIldings,extingu shll * 357 FI res in factorl cs, extinguishing 134 Fireworks. IndIscriminate use of 105 Fish farm.......................... *101 FIshing rode, steel............... 187 Flames, ascertaInIng constitu tlOn of.......................... 299 Flea in harness.................... 179 Fleas, :o kill...................230. 263 Jloods, theI....:................ 259 Flour, Brazilian..................388 Flow of elastlC f .u. ds in pipes 50, 388, 246 Fluxes In redncing ir on ores_.r. 307 Force of c ontrcamction and rrepairs of bUlldiC gs...................... 4C2 FoOrm and frictI.O n................ 121 FoSSIl gum s....................... 7 Fossil man of Onondaga 294, 310, 342 (2), 373 Fossil rem ains. searchIng forg. 123 Fresesl trade and E ngllsh wo rking-men............................. 226 Frenrh Aatlan tic Te legraph ..273, 29900 French cble laId . . .........I.... 90 French cable, mode of working. 195 French forgerIes.................. 355 Fr Ict h w ater at the I easide . .S.. 263 FrICtIO n and percuss I On......310, 358 Friction matches Without ph osphor ns.............................. FrictIO In of water In tubes p . ..... 344 Fuse, tim e a nd pe rcu ssion, pr ize 310 Gale of Nov. 19th................. 392 Galvamc chiln.................... 171 Galvanized Iron................... 56 Garba nI . utIlizing................107 Gls as a heatmg agent............ 59 Gas burner, new.................. 187 Gas engines, Inflammable.....'..311 Gas for lighthouses...............230 Gas from light hydrhearbons.. 186 ial eS meter, to read the............ 2 Gas proces s, I mproved.l......... 200 Gas retort lids, self sealing...... 91 Gas. to detect escapmg........... 2 G as vs. gunpowder................ 2 3 Gasophaner, the...................164 Gearing and friction..............137 Genesis, the........................ 406 Geniul , claims at.................. 9 G allIUSy h Tennrsee............ 40 gegrgia State Fair................ 244 German tinder.................... 363 Glass for tIllIghthouses............. 69 Gla ss manufacture In the UnIted btates. , ......................... 263 Glass, ornamentmg...............824 Glass wim dow lights, Demuth's .. 263 Glu e, liq mid........................ 195 Glning u ven eersl...l O.. n..........372 Glyeri n and distillation......... 87 Glycerin used in wI De............117 Gold e Hrmill fire stlll bn rmng........09 Goodyear, sketch of Charles...." 408 Grm bmder...................... 216 Grand Canyon on Colorado riv er, palnting of.................... 180 Grants v m. patents................ 135 Grape-berry moth................. *85 GGrraappe V Ille, m ammoth ............ 134 Grapes , chea p method for........ 24 GrIndstones, how to use......... 27 Grindstoneswhence and how made............................ 102 Gnano Island objects.............. 82 Gu lf stream, dredgmg.... I.... 267 Gnn cotton, eXpel'Iment8 with .. 117 Gun-cotton in dentIstry.........116 GGunntt-eSIrght wanlted.night..........19 9 Gutter,plp e, frOst-proof..........106 H HI and hailstorms............... 26 Hailstones o f smngular form........ 2 Hailstorms, no cturnal..........7 2, 86 Hammering iron till red root.....149 Hartford Boiler inspection and Insnrance Co., ..26,147, 230, 296, 391 HashIsb, effects of................. 183 Hay and steam heat............... 30'1 Hay fever and vi brIOnes ..........340 Hay loader wanld................ 38 Healthy mllld m heathy body . . ._231 Heat aanndr the thermometer....... 297 Heal and work..................... 169 Heat f rom the Omo on...........2 31 , 293 Heat , perCUS lC n and f. rictl On....246 Heat mg bodies by rotation in vacuo........................... 228 Heatmg cars by steam............147 Heaven, loca tion of...............170 Hell Ga te obstructIOns.........1 1, 168 Henr y, Prof. Joseph, lketch of . . . 395 H lghheeled shoes, effects of.....362 Hights, measnring................. 88 Hofos, ner cloSe foi................ 87 Holsteininterm!ritl.lne canai "_" 260 Hoosac tunneL .................116, 363 Horse collars wanted............. 166 Horse naIls........................ 291 Horse-stable smells, curIng.......371 Horsford's aCId phosphates ... 1 05, 108 Horsford's bread making......... 152 Hos?i;as, constrUctim,: :,... 329 Hot-air furnaces, aCsting...?.: : 201 House plants, care of..............314 Household power wante d........ 54 Household s p i nne r, etc .. w anted. 54 Househol sh, the........ f .. ......... 391 Human heart, action ot........... 162 Hu U man hheear t, wt IoOrk performed by............................... 361 H Uman lIfe, calculat I ons on......170 Humboldt Centennial celebratiOn............................. 202 Hurl bug, an a Erlr an t............... 105 Huxleyas Presiden t of Brl.tl.s.h. .A. . sSOClation....................... 210 Huxley's SCIentific exclUSI veness 217 Hyacinthe c'Clture................ 363 HydraulIc machInery, testmg___. 40 Hydrocarbons, the 11ght..........138 Hydrogen gas, producing........ 68 Hydrostat IC paradox..............249 Hydrostatic pressure, law of..... 137 1 Ice :achles, oEerathng;.......... 91 Ice manufacture,artifi; 3i' : : : : : 56 Iguanasii........................ *357 Immigrants ; nted Sou tJ::o .....167 Importation s from F rance, our . . 135 Improvements In farm Imple ments ........................... 374 Inclines, surmounting............193 Indelible ink....................... 102 Induc 1 lOIn coil, the greaat.......o. . . 275 Industrial faIIr at Washington, proposed........................ 403 InformatIOn w anted.............. 7 IntermarrIage of relatlOns....... 22 Invenlon,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,12 3 ( 2) Invention, a very omld............ " 84 Invent Iio On n, an mgenious .... . ..... 167 InventlO u wanted.............118, 151 Inventions at the Sonth.......294, 362 Inventions most profitable, small 89 Inventf :s patenti O in Englad gy Ameftcana 11,43, 62, 94,1i, 124, 142, 157 172, 188, 206,222,236, 254,263,283, 318 334, 350, 380, S InventiO ns, patentmg new.......105 Inventions wanted, sundry....... S8 Inventors' b USnIess mistake s .....131 Inventors, letters from............390 Inventors, rights of................ 86 IInveenttorrss, wI.at rem a Ins f or......407 Iron and steel crystal ls......lC... 52 IIrron aannd stee l--their elasticity, etc.,.....m..................... 58 Iron, coppering and tinmng........ Iron fences, cheapt . L.............. 9 IIrron founders In St. LOUI.S, first.. 8 Iron fouding.u r................... 211 Iron manufacture, e conomy in... 51 Iron manufactIO e Weot........... 120 IIrroon, preservation of..............282 Iron raIlings, decay of............203 Iron screw steamers..............294 Iron shiR:c rotected frc rust ... 121 ron lIted oCb urn Ing on........211 Ironwork, black paint for........ 371 Ivory, bleachmg................... 139 lxtle fiber.......................... '11 J Japanese art....................... 150 , apanese matches................ 123 Jen mings, IsaIah, sketch of....... 395 Joim t-worm, the.................. *21 Joke In brass, a huge............. S45 K. Knittlllf machp16, Hmkley's..... 234 Knitting machine, Nottingham .. 80 Know, whal men.................. 387 L Labor and Capltal, Reade's....... 291 Labor , bram nnd manuaL ........386 Labor, n CalIfornia................ 155 Labor, interests of................. 42 Labor, progress (o, ff I....... .........378 Labor-saving machinery , etc.....158 Lacquering........................ 55 L adllers, homemade............... 211 Iamp fller, Staples'.............. 371 Lamps, cleaning................... 38 Latent heat of m etals............. 387 L L a a tthe face p la te and Cl.r cle...... *278 Lathe, fooIt.........................392 Latahd w atei pipes.................. 215 I L c e ghom str aw hats............... 24 Lemonad e, minerL............... 212 Level of MedIterranean and Rfd seas.............................. 406 Ig fesavmg guns.................. 37 7 L l/t...... . ........ tlO............. 99 Light and combnstion............ 2955 LIght in dark places wanted...... 25 Light of th e sta rs.................. 19 Light, th e n ew oxyeen............ 219 L lghtning -its effects on ammals 107 L i ghtn Ing marks on human body 170, 214 LiIPhtntng, playing with.......... 18 Lime lighi with',t 'xygen: : :::. 231 iovc salve n .......................... 3g5 Livingsto ne, letter from D r ......362 Lockjaw cured by tobacc o.......134 Lockjaw cured, by turpent.me_. ._ 151 Lockjaw, nicotine in""..........166 Lockjaw, rem;dy for..............18 Locomotive , fir st e ngineer of___ 363 Locomot iIe o f th e futmnreee......... 20 Locomotives s f nt from England, 359 Locomotive steam brake........ *277 London bridge. widening........ 263 London Underground raIlroad . .. 171 too kinE d lasses ::d mifrors......375 Loom,Moo:e oneshaft...........330 LOUISIana State FaIr, fourth...... 184 L ummous toe...................... 171 Lunar rainbow.................... 22 Lunch bOX, blInd man's.......... 2203 M Machine swI n dler................. 134 Madder, coloring matter of...... 54 Magnetic aetlen 0. 1 wmd currents............................ 403 Magnetic varIatIOn................ 123 Magnet Jsm......................... 120 Magnetism td time-pieces...... 82 Mahnetism, terre;trial............322 Mahogany how obtaIned.........278 Malleable cast Iron................ 129 Malt vmegar, manufaci rln g . . .. 18 Manatee.......................,... 391 Manufacturing, mining, and railroad items 27,43,60, 91,124,1S9, 155,172,187, 203, 220, 285,268,336, 300, 316. 331, 348, 3 19 Mariner's compass, Im proved 115 Marshes, mak mg foundations In. 328 , atter, w hat is.................... 186 M'CormlCk, sketch" of Cyrus H... 408 Meat preser ved fresh.............. 2:2 Meat, preservmg..................... 1 MMecchhaanmIcal accuracy............ 345 MeChanICS and natUral p ow er 2 Mechanics, somethIng new In_. . . 1 80 Mechanism and art................ 2 62 Medical science, pres en.t'.S tate ot 11 Med of progress...............394, 408 Men dIng castIron ve ssels, ChI nese............................. 196 Mercurlm bles on w ater ........ 163 Metal spinning.................... *370 Metals, malleablllty and dnctIlity of............................ *344-1 Meteors, the August.............. 245 MMeetteeoerroollooggilcal fact............... 278 Meteinlogical 0 b se rva t i 0 ns valO e of ........................ 227 M etropolitan Fire De partment .. 393 MI Ca brocades..................... 313 Micrographs....................... 409 MICroscope In SIlkworm cultivation.............................122 Milk of dIffe r ent ammmals ......... 107 Mi n I eral teeth, setting............. 178 Mining In Cal . forOla. wasteful... 259 MIrage in EnglISh Channel....... 97 Modern machinery, heavy........ 69 Monckhoven's new lIght........,.363 Monkey, the Andaman............ 220 Moonology, speculative 'F . .......341 Morse, sketCh of Samuel F........ 409 Morton, sketch of Wm. T. G ......408 Moss-agate huntmg............... 99 Motion, circular and rectIlinear .. 265 Mott, Jordan L., sketch of........ 395 MountIng msects for mlCl'oscope. 151 MUCllage" for l abels................ 195 Mushrooms, to plCkle............291 N Naphthl bmnrning on C pian Sea 39 Naphthaline amnnd e xplo sio ns ...... 359 Naphthaline chokmg gas main .. 374 Napoleon III. and SClen ce........ 88 Natural selection.................. 23 Newspapers,enor mous sale o.f___315 N Iagara elevatol at Buffalo...... 274 Nichols steel patents.............. 101 Niitrht I:o I l a, &vegetatlOn ........i69 Nl le, rising of the.................. 19 Nitro-glycerm. . . .................. 146 Nitroglyccfln explOSIOn......... 124 North pole balloon................231 N or th pole b y balloon, to.......... 7 Norwegian cooking aEn. Earttus.. *161 Nottc sketch of Dr. Eliphalet.....40 Nut cr acke r, n ovel................ 187 Nutmegs and cloves..............136 NutrIment, dlscarded............. 54 o OObbllttnnary o f Cha8. B. Hntchdm son. 283 Ob,tn ary of George P eabody.....331 Obin ary of John A. Roebiing.. . 89 Obinary f Thomas Gra lm .... 230 Obituary of Jo hn Degnon.........409 OObblservation s, InCIdental..........lG9 Octopod, the.......................* 213 Odoriferons prmClples of plants. 106 Oersted's dIscovery contested 3 ' 331 0on refining, how done............ 324 Oil taken ou. nt of leather.........., 19 O01I1lc9, pkml!y Jig and biea c .h m g ..._279 Oilcloth, manufacturing .......... 123 Oil cloth. to clean.................. 264 Opium, testmg................... 122 Optical glass, manufactu rIng......856 01ange marmalade................347 Ore concentrator exhIbIted...... 282 Ore crusher exhibited............282 Oiganic and i.n organlc substances.......................... 281 Osborn's Metallurgy.............. 267 Oxford rowers win.... lli......... 171 OxidatlOn of uon in b hildings.. ._369 Oxygen and heat and light....... 374 Oxygen, determinatIOn of free. .. *1 Oxygen exploslOn................. 123 gx6-hydrogen light.: . . ............ 119 Ozone, produci:.........: : : 42 Pacific Railroad and the Climate........................214 , 359 PacifiC Railroad report........... 43 Pa IntIng of bUIldings, ornamental............l . ln.................153 Paper boats exhibited............2.. Paper from reed cane.............327 Paper from shavings, eLe......... 139 Paper hanging......m ............Til Paper-maki, g machines..........291 Papcr manuf m cturlng.............. 178 PPaappleerr r endere d transparent...... 183 Papier-machee church..............359 Passage of steamer Helen B rook s. 355 Paste board and asphalt rO O fing .. 52 Pate.Jt case I n d) Uncthl O nl............ 172 Patent deciSlOn - aCId pho sphates .......................... 108 Patent deCiSIOn-catarrhal douche.............................. 76 Patent decI SInd oer lock.......396 Patent deCI sl On-error In date . .__266 Patent decisionextenslOns......20 35 Patent deciSIOn - interference case.CI.lO...................... 27 Patent decision- paper collar design.............................. 270 Patent demsIOn-torpedo case ... 252 Patent dwellings..................123 Patent intermrence cases, appo tntment for.................. 59 Patenm ffice alfairs ................40 6 Patet Of ce expenses............ 216 Pate t OOf ce, final appeal In 43 Patent Office rules for draw-ings............................ 19, 27 P at en t rlhtdealelO defended ... 102 atnt right question, H. Spencer on........................... 65 Patent rIghts , perpetUIty of...... 53 Patents, extensI on of.............. 330 Patents, facts eliCIted in debate on___........................... 165 Paten ts, Fisher's address on......241 Patents, Mr. Siemenss on.......... 244 P ate nts or no Patents..........151, 154 PPaatteenttss, recent American and foreIgn, 12, 28, 44, l60, 76, 92, 108, 124, 110, 156, 174, 1SS, 204, 221, 236, 25 4 , 263, 284, 300, 316, 332, 348,3.0.0 ., 3 79, 396 Patents, rIodmnce the cost of........ 406 Patents, sig lC calt fact........... 41) Patented articles, eyplaining . llR Pavement new..................... 215 Pavements, wood and concrete .. 185 Peanut,pickmg machIne.......... 410 Peat ma pI ng in QhIO.............. 294 PenCIl drawings, to preserve.....231 Pepsine............................. 231 P:i;gssion-;its histol.....: 9D Petroleum and its sulphur componnds ......... l ................359 Petroleum, expansiOn of38, 8:i, z-il Petroleum 0il, testIng.............123 Pet r ole u m a, cu rious.. ..70,102(2), 199 Phenomenon, extraordinary..... 231 PhosphatIC bread, .H. .ors.ford's.166, 315 Phosphoroscope.......-.......... 232 Phosphorus, how made...........370 Pho sphorus in piants.............. 249 Photog rraphs, new style of........203 Photographs, whltesurfaced..... 51' Photogrm ap hic paper, Improved.. 10 Photographic prlOlJe ectIOn W.It.h movip g lm a d aery.......71 Photo grapy and ast ronomy.....259 P lCrat es as g un and blasting pow ders ............................. 21 PI ne leaves ut I liz ed............... 2J" Pins from ancI ent Thebes........ 280 Pipes how niaae, iron and le a d... 71 Pipes, stea:cE k"gt-:ate:.......19sJ Pittsburgh, old map .of............ 1,! Plaster of Paris, working......... 33y Plate glass, Manufacturing.........9 Plates, no more sheared..........321 Platinum vesoels, treatm ent of ... 3 355 Plow m anufactul ers, to............ P O neumatIC tube In ChICago......356 Poisoning bga a fiy. ................ 198 OI so nng by Co r al line.. g . .. .. . .. ... 187 Poisonous by ses, de I ectIng.......1M Polar expe ditIOn s................. 314 Polish WIener kalk................ 359 Pop py in Texas................... 7, 342 POI tlan d ceme n............ 121,135, 295 PPoorrttrlaanId cement and tar roofing. 51 Portrait sals ant d stamp s ........283 Postage, new thllg In.............371 Post aol telegraph, proposerd....... 73 Postofficee for N ew York, the new..............................138 PPotash f om a new source........ 339 Power in reserve..................ssn Power, transmiSSIOn of...........*181 Premium for tIme and perCUSSIOn lnse............................. 151 PremIums for new snbs crIbers 3 61, 379, 385, 387,391, 395 Printers. ' i.nk a nd patented articles.............................. 118 Printing presses , early Impr ov e. ments in........................130 Prim for everybody........:.....391 Profits of small inventions........139 Projectiles, velocity of............14 8 Proper l y in p atents and b ooks ... 3 , 9 ProtecttIOn of prope rty............32 99 PublIc debt, reductIOn of the.....323 Publications, new, 11, 28, 43, 60, 77, 110,142,157,172,187, 206, 220,235, 268, 286, 333,3 47, 366, 379, 395, 405 Puddling furnaces, lInIng___.__... 3i7 Pmlex irritans ic barness..........1791 PuIf s erxlhlnblted m( ............ 281 Puriying drlnking water ......134, 182 Putty, to rem ove old.............. 40 Pyrogr ap hlc woo dwork..........294 Pyrometer, ane w................. 163 PPyyrroteechny , a rt of................. 74 RaIlroad a cci dents "y hlgh wInds.....a.n.y.. ... d.......,.. 371 RaIlroad, Albany, and Susqu ehanna............I............ 137 RaIlway carrIages in diffele nt countrIes..f.........Ill.. m..... 387 Railway carriages, oscillating.280,358 Railway co;olidation............185 Railway, Fell's Mont Cenis.......12 Railway, Mt. Washig t on.........116 RaI lway, narrow ga me.............807 Railway, old por table............. 16) HRalllway plant......................292 Railway sleepers, tIe s, clips............ R a i lway ties........................ 199 Railway wlde gage a failure.....216 RaI less distrlCts..................202 Ra I8sInog an old war shi p o.........370 Ransom e's IndurfatI On proc ess ......71 Rat polson.......................... 403 Rats. how to catch................. 162 Razor indeed................... . . 410 ReapIng machIne cutters....'. 302 Rear horse and Its eggs........... 248 Refining vegetable Olls........... 34 Refrigerator (ars.................. 42 Rf m n lgttances, how made.......407, 409 Report 0 1 Judges on steam engines a n d bOIlers...........3 95, 409 Report o f W esterrn U nion Te legr ;h f o.Cll..'oii '............251 Res lns, researches on.............100 l{sinous tImber, propertie s of. . . 122 Restoration of dr owned per sons.............................*133 RIght hand asserted superIOr lty of.. .................. d..297, 393 Rights of gov. .ernment and patentees ......mg . . . . ..........894 Rivets and rlveting.......lC...... I15 Hocks analyzed on Leichten berg's plan....................,. 163 Rocky Mountain mound bul lders...ll1... ..................... 2S9 lope making...................... 83 notatIOn of the earth, Ericsson Rnssian ExpositlOn, the .......359, 362 Rust, to remove.................... 203 S a ddle hors e , how selected....... 2 Safetty valves, ca re In ralslng___ 9i Saw teeth, form s of............... ir Saws, to file and :et.. .2 52ft 278, 358, 37! Saxton, Jose ph, sketch ot8.... .... 394 SCIENTIFIC AMERICAN, 345, H61, 37 3, 393 Scientific American. bindl g .. 409 Scientific American u nder co rner stone........................230 Scientific knowledge, dl1uBlOn of................................200 Season I ng boards..................*373 SenSItive flames, applicatIOn of.. 10 Sewage qnestiun................57, 215 Sexes of plants.....................162 Shad fsheries of the Huds on..... *84 Shad prOpU6atioll I................. 72 Shaw, Joshua, artist and Inventor..ll.l . .m....................... 90 Sheep skin mats.................... 406 shoe-pess how made.............. :62 Shooting fish nnder water........390 Sickles, sketch of Fred erfICk E ... 409 Sickles,serrated edgees of......... 63 Slckles and telegraph drlii........ 8 S lIgpnalnl l e by the cable fleet...... 119 Siphon drainIng a tunn el.........131 Slzes for gilding................... 229 Skatmg clnb eXiubltlOn........... 42 Skeletons, fossIl human........... 71 Slide valve and exhaust.......... 107 Slide valve for engines............ 26 Slove va ly workmeen , etc........... 361 Smelt m g furnaces, c onstruct.In.g. 151 Smelting iron ore - Ponsard's process......................... 180 SmeltIng Iron ores................146 Smiths onian InstItute report ... 329 Sm I ke, consuming................ 57 Smooth edges on cntting tools .. 119 Snow, uses of...................... 407 Soap 1actorles, establIshIng......227 Soap, test for......................385 social science, is there.....: ......313 Soia plant, animal.................200 Solar spotIs......................329, 390 Solid bodies suspend ed in ru nHDlIln1g strea m....................153 SolidificatI Oel l of .l.lu.l.ds............ 171 Solvent Dower of water...........27 7 Somerville, Mrs. Mary ............ 150 SomRambulIsm, cure f or.......... 231 Sorghum, reVIved interest in___179 Sound and electriI ig ures........373 Spamsh gunbodts, tfhe............. 394 Spectacles or no spectacles....... 22 Spectroscope &Aurora Borealis. 403 Spiders' SIlk........................*70 Spirit level, InventlOn ot..........229 Spirit of the age.......I........... 378 Sp onta n b e ous combustion of h.u. -man body.......................404 Spontaneous generatI OInn.......... 25 :pmaneoHs igmtIOn in mIlls___ 243 Spr ont gs at Saratoga................ 186 Sl inmg wood...................... 39 Starch and l ts adnlt erations...... 186 Stassfu rt mi les I n Prus tlO......... :39 Stesam bo iler incrus t atslOialls ... . 2 64 404 Steam engine , how to choos e a ... 314 Steam engIe Indicato r........... *i78 Steam engines, test a g ol......... 10 Steam fg ire engIne exhmited...... 282 Steam generators..........28a, 310, :S9 Steam lead.....................Oll 70 Steam naVIgation and steam boii- er3...............................40 3 S:tteeaCLuml 011 COIDwvnm ro ads..........i Ut steam p p es causing fires......1 45 , 2 as SStteeaamrn p hlonwV l , Im ported............ 87 -team plowing..................2 9 9 47, Steam power on canals.m. .a........ 267 Steam power wa nted, small......166 Stea e m VSa . mortarm ........ ...... 103 Steel, man ufacturing.............. 243 Steel measullug tapes............2 16 Steel, mecha Ofl cal appllcatlOns of. 185 Steel pens, origin and Im provenlent of.......l .......... ...... 340 Steel ralls, durability of........... 59 steel sprlllgs....................... 2 8 9 Steel working...................... 164 Steeple Jacks....................... 293 Stelling by steam hl................312 Stenographic machine repol ter .. 165 Stereoscopl effects, cu'ous..... 283 Sorms In the sun.................. 1i9 Strawberry VInes, checkll growth of....................... 258 Strawberry worms................ *5 Street crossing.....t.......169, 20u0-, 315 Streets watered with sa line .oluttons...........................295 Strength oIf rong h castm gs, determlning....................... 183 StrIkes, remedy for................ 39S Snez canal and Egypt's future . .___343 Suez canal ana Its lessons......... 393 Suez canal, difficultles In workmg.............................. 260 Suez canal, progress of............283 Sugar, manufacture o f ::::....... 19t Suit for a million............u . ....g. i80 Sulphuflc acid, manufacturing 246, 262, 274,2 93, 307, 323 , 336 Snn-facts con cern ing it.......... 98 Su rng, to o bserve the............310, 375 IUrllC a l operatio n, remarkab Jle .. 107 Surgical painless cnttlng.......... 215 SuspenslOn brIdges................ 264 T Taste, impaired.................... 2t5 Telegraph apparatus..............315 Telegraph exten sionk . o............ 296 TTeelleegrraph, e fxrst week of.......... 146 Telegraphs, field................... 8 Telegraph I pC osts, preserv IngI ..w. ... 40 Telegraphic slgn als for railway traIns............................891 Telegraphy, fast methods of......276 Telegraphy, Ocean..............71, 170 TleIConographe................... 259 TTeennessee an d Iron p roductlOn . . 2 51 Testimonial, a deservedd..........152 .,Testimonial, valuable..........37 4 (2) Thames tunnel, the new.......... 314 Thermometer, baker's ov e n....... 59 ThermometrIc experIm ents...... "858 Tnoought, madd enmg mech anIsm of................................ 404 Tidal wiIeii...................3O . .403 Tie.spotting machine..............116 Tiger manufacture in Ind Ia........212 TIles gaivanized ir o n..............333 ' T l Imb er, shri nking of.............." 261 Tire sett lng, n ew method o. f.. 297,3383 Toad as a n entom ologist..........887 Toe naIl, to cure ingrOwing........ Tomllnson's experIments n g . boiling...........................108, 119 Tooth brushes, india-rubber......187 Torpedo, new and destructive ... 219 TractIOn on steel ralls.............295 TranSIer ornamenting............. 35 Transits of Venus, arrangements for........................ SI..... 106 TransmIssion of messa ges, sing le wire...'.......................... 5 Trout fishing, novel....o. n. .g. .... . .... 401 Trout , fmonm str ositIes among......*149 Truffle , Its cultIvatIOn.............. 2S Tube well.......................... 248 Tubes of Iron, brass, and co pper . 33Y Tnnumel un der British C hannel ..._138 Turbine s, pow erful................ 410 TurpentIne manufacture.......... 27 Tyndall, Professor................152 Tynd a l l t's theory of comets ...2 19 ,263 Type settllg by m ac chimery.......139 V Vaccin ation, raId against......... 330 Valne receiv ed....................294 Varnish cr iron....................295 Varnish rooms......................354 Varnishes, faf t s about.............343 Vegetab,l oils, refining...........135 Velocipe l es out agam.............281 VentIlation of sewers.......... 340, 390 VermIlIon talnlsh p r event e d .....215 VetecranIn ventoor's testimtm y ........94 Volcanoes of Cotop aXI, etc......211 W Wagon wheels, gatbEr in.........* 69 Wall covermg, new ...............199 Walls, damp I.......................9 07 Walls, substitute lOr pla stered .. . 25 Warming churches by gas...a L.. . lS7 Watcm, an tIqne astron omsIcal.... 198 Watch repairers' shop...,.........371 Watch sprmgs.......................... Water and health.................. 133 Water for PhiladelphIa..... ..... 164 Water OSCIllatIOn In steam boilerIs.............................. 361 Water, p urIfml................... 98 Water supply in large CItIeS . . ... . 342 Water-wheel test, the Low e l.l. ....... 118 Waters, hhard and s oft............,. 217 Waters g streets with saline solf:ions.........................'r:227 Waterini streetS With sea water. 282 Water-proofing walls.............:228 Weathe r au d siessI...:s .......258 Weathg: and solar ecl pse :....... 154 Weeaattheerr,, 1p reaks of..........___.... 202 Weather, predictIng........... 106, 115 Weight increased In combustlOD. 264 Well bOrIng and pumping machinery. Il ............... ..... ... 871 Well, the drive.................... 248 Wells neal salt water, fresh-wat er................................310 wW heeliss,; laiing ont teeth of.''': ':*69 Wheels, oversho t................. 50 Wh ee ibarrow-lts antlqmty...... 99 White pIle mInes, productIOn of............................::': 68 Whitewash for outlSlsIde work ..... 39 WhItewash for walls, ea new..... 403 Whitewash, preservatIve properI Ies of.!............................ 385 W hItworth metal........... 385 W i ener kalk........................ 359 Wind, power of.................... J2S Window blind and awmng ....... 282 Window sashes, copper mg .......216 WW ii nde pleserved l)y heating....... 6 6H WIne, ripemng.....................102 Winter ev enings, hoIw spent......3-15 Wire an d tunbme dra wing...........3 54 WiIrfe grass brooms and brushes.. 69 Wonders of CalIfornIa............ 34 Wonders of SCIence.....Im. ..r.. v. . . 203 Wood enIngrav. .m. .gs , improve- : god, hard coating for...........*7t Wood-p ap:r manufacturing case.331 Wood protected from fire ........ 171 Wood BCIew manufacture ......... 5 Wooden raIlways In Canada......104 Wool exhIbitIOn. at American Institute......................... 168 W_ool l n h doc.ya . . d ab andoned .. 274 WorK W and its results, our...........45 Work for women .................. 82J, Z Zirconia lilht, the new........... 51 PATENT_CLAIMS. Pate nts, issued Jun e 15, '69.......1 3 " 22,'69.......29 " 29,'69.......45 Jn ly 6, '69.......6 1 " 13, '69....... 77 " 20, '69.......9 3 '; " " 227, '69......10 9 Aug. 3, '69......125 " 10, '69......141 " 17,'69......1 57 " 24, '69 . . . ...1 78 " 31, '69 ......189 Sept. 7, '6Y......205 " 14, '69..... 221 " 21, '69......287 " :,''69......2253 O? t. 5,'69......269 " 12,'69......285 " 19, '69......301 " 26,'69 ...... 33l No v. 2, ''669 ......333 9, '6tl......349 " " " 16, '69......865 " " '' 23, 'G9......381 *' " " 30, '69......397 " " Dec. 7, '69......404 Beissttes, iisi ok 14, 30, 48,62,78, 94 110,126,142,158,174,s9,206, 222, 238,254, 270, 2S6, 302, 313, 834, 250, 866, 382, 806, 405. Designs, list of, 14, 20, 46, 62,78, 110, 2,6, 142, 158, 174, 190, 206, 222, 233, 254, 270, 236, 302, 318, 684, 350, 866, 3l2, 393, 405. Extensions, list of, 14, SO, 46, 62, 78, 94, 110, 126, 142, 174, 206, 233, 254,2iO, 318,334 ,350, 3 66,,3 9 B.