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Egypt of the Egyptians. By W. Lawrence Balls. New York: Charles Scribner' s Sons, 1915. 16mo.; 266 pp.; illustrated. Price, $ 1.50 net. Despite the author' s deprecatory admission that nine years' residence does not necessarily qualify him to write of Egypt and the many contradictory features it presents, the volume he gives us is a remarkably well-written and intense study— not of the Egypt of the tourist, but particularly of those four things which, according to a recent statement of His Highness Sultan Hussein Kamil, “ make Egypt the country most blessed of God in all the world— the generous Nile, the unfailing sun, the miraculous yielding land and the industrious fellaheen.” The volume summarizes the country' s history, sketches its scenery and antiquities, discusses its products and its possibilities, and gives some idea of the problems confronting the British Protectorate. The system of irrigation is the subject of careful explanation, and constitutes perhaps the most interesting section of the book. English Railways. Their Development and Their Relation to the State. By Edward Cleveland-Stevens, M.A. New York : E. P. Dutton and Co., 1915. 8yo.; 332 pp.; 2 maps. Price, $ 2,25 net. This study was undertaken with the conviction that a detailed historical account of the consolidation of English railways would possess a distinct practical value. No attempt is made to deal with problems of the present; instead, a groundwork of impartial information is offered, upon which the student may erect his own superstructure and arrive at his own conclusions. In compiling this history many sources have been drawn upon, and a list of the more important of these sources prefaces the account. Railway amalgamation is dealt with in all its phases, and the legal aspects of the situations are made clear by quotation from, and reference to, unimpeachable authorities. In conclusion, the author tabulates the geographical and single-track mileage and the paid-up capital of eleven leading companies, emphasizes the negative quality of past legislation, and shows the heavy burden which inflated land values and public opinion have imposed upon the English roads, with their obvious relationship to transport costs. Practical Perspective. By Frank Richards, Associate Editor American Machinist, and Fred. H. Colvin. New York: The Norman W. Henley Publish iiig Co., 1916. 58 pp.; illustrated, Price, 50 cents. These brief papers lay down rules for the use of isometric perspective in shop drawings. The method is not, of course, put forward as a substitute for the mechanical or working drawing, but it offers advantages in certain cases, and enables a workman quickly to grasp the actual shapes and relationships of various parts. Anthracite. An Instance of Natural Resource Monopoly. By Scott Nearing, Ph.D., University of Toledo. Philadelphia : The John C. Winston Company, 1915. 12mo.; 251 pp. Dr. Nearing gives us a very explicit statement of the anthracite situation; he discusses costs in definite figures, condemns monopoly in natural resources, and treats the subject from both the worker' s and the consumer' s points of view. It is a well-written and studious treatise. worthy of the attention of the 10,000,000 families who largely constitute the consumers of the output. Theatres and Motion Picture Houses. By Arthur S. Meloy, Architect. New York: Architects' Supply& Publishing Company, l!1lH. 8vo.; 121 pp.; illustrated. Price, $ 3. The large increase in the number of buildings devoted to public amusement, and particularly in picture houses, makes this monograph on theatre construction and equipment timely and valuable. The work takes up fire- proofing features, “ sight lines,” or the radius of vision, the pitch of floors, the planning and location of stairways, exits, and fire escapes, and methods of seating; the proscenium arch and curtains, and the stage, receive their due share of consideration. Tables give the seating capacity and stage dimensions of numerous theatres, and the comparative laws of various cities. There are many good plates of exteriors, and the author' s line drawings serve to make his comments immediately understandable to the reader. Plane and Solid Geometry. By Webster Wells, S.B., cand Walter W. Hart, A.R. New York: D. C. Heath& Company, 1016. 8vo.; 467 pp.; illustrated. Wells' s “ Essentials of Geometry” is the basis of this text, in which great care has been taken to align the methods of the older work with modern scientific and pedagogical modes of thought. Each section first presents the fundamentally important theorems which naturally constitute a minimum course; these are followed by supplementary applications, from which a selection may readily be made. Most of the propositions are succeeded by well-chosen exercises, quite sufficient for a shorter course. In the chapters devoted to solid geometry the mensuration theorems for the common solids are given first place. This emphasis, and the inclusion of certain natural applications of solid geometry in the exercises, give the work a practical trend. LATHES AND SMALL TOOLS « CTi D “ Footand Power S1AK Screw Cutting Automatic f 4 TIICC Cross Feed LAinEd For Fine, Accurate Work. Send for Catalogue B SENECA FALLS MFG. CO 695 Water Street Seneca Fall* N. Y” U. S. A. ForGunsmiths,Tool Makers, Experimental& Repair Work, etc. From 9-in. to 18-in. swing. Arranged for Steam or Foot Power, Velocipede or Stand- up Treadle. W. F.& J. Barnes Co. Established 181-2. 1999 Ruby Street Rockford, Ill. 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In how many European capitals will the old cry, “ The King is dead, long live the King” give way to the thunderous chorus of the sans-culottes, “ The King is dead, long live the Republic,” that ushered in the French Revolution as told by eye-witnesses of those terrifying scenes in SECRET HISTORIES OF ROYALTY A Topsy-Turvy World The courts of Europe were the stage where the whole political and human drama of the country wfl,s enacted. The conscious nether world revelled in envious awe as it got glimpses of those distant spheres of Royalty, and gloried as it found their demigodded denizens frail. Under Louis XV. the court of France became an ante-chamber or dressing-room, littered with the bandboxes and rouge-pots of the royal mistresses, and the monarchy of old France made its final exit from the stage leaning on the arm of a courtesan, Mademoiselle Lange, as she was known in the underworld of Paris— but read the whole story, as she tells it herself, with all the naivete of a moral sister to Manon Lescaut. The spectators— the people— hitherto silent, now began to hiss and be moved. The “ sharp female newly born, and called La Guillotine “ was the instrument through which they expressed their disapproval. The gutters of Paris ran red with the blood of high born dame and noble cavalier. Royalty in Undress Only in our own day, so to speak, have these secret histories been allowed to appear. The' anecdotes set down in their journals by the authors of these memoirs would have cost them their lives or their liberty had they ventured to publish them in their own day. Had Louis XIV. known what kept the busy-body Duke so often in his study— could he have read those pages in which were mirrored all the court intrigue, gossip and scandal of Versailles— could he have seen his brilliant court stripped therein of its gilding and tinsel, and his own royal person pictured in undress, without his crown, even without his wig— there would have been a new lodger in the Bastile. These brilliant memoirs of the Court of Versailles are without their equal in the world in richness, variety and human interest. The press abounds with allusions to them. From them the stage takes its plots and the novelist his characters. To know them is a liberal education. AN UNPRECEDENTED BARGAIN Practically Your Own Terms— Within Reason Blood Does Tell To these secret histories of kings, queens, courtiers and favorites, ||l> |w> Vl fkfk lfsiw n> . 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The Illustrations on Imperial Japan Vellum, the Large, Clear Type and Wide Margin.. Occupation 1 . .- . Slate are other attractive features. The very appearance of the books suggests the 1 1 romantic and dramatic character of their contents. 31711807 New Lubricant Prevents Rapid Formation of Black Solid Matter in Your Engine The heat in your automobile engine turns part of ordinary oil into black solid matter— the greatest enemy of lubrication, a cause of rapid wear. Ordinary oil breaks down after a few hours use, forms black sediment and loses in lubricating value. Ordinary oil cannot stand up under the terrific heat of an automobile engine. The sediment is destroyed oil— all lubricating value in it has been killed by heat. Solid matter means friction. The sediment has an inactive or negative effect. It partially crowds out the remaining liquid oil. This under-supply of oil to the metal surfaces causes friction— heat— wear— loss of power and expensive repairs. When tests are rnn with the same motor under precisely the same operating conditions using different lubricants, a remarkable variation will be found in the amount of oil destroyed by heat. This is shown by the amount of black sediment which settles out of each after standing. The oil floating above the sediment is red in color by transmitted light and may be assumed to be as serviceable as when fresh. The volume of sediment formed, and the rapidity with which the oil is destroyed depend upon its chemical structure. Oils which have a non-heat-resisting chemical structure are unfit for use in any type of automobile or other internal combustion motor. Such oils make trouble and increase maintenance cost in direct proportion to their rate of destruction when exposed to heat. Consequently the amount of oil used and the cost of lubrication per mile depend not on the price per gallon but on ability to resist heat. Relative Oil Destruction The contents of the two bottles shown illustrate clearly the relative durability of ordinary oil and of Veedol, the new lubricant that resists heat. Veedol deposits only a small fraction as much sediment as ordinary oil. The operating temperatures shown on the sectional drawing of the motor bring out forcibly the intense heat to which motor lubricants are subjected. There is a fundamental difference between ordinary oils and Veedol. Ordinary oils are unstable and therefore unserviceable because of non-heat-resisting chemical structure. Special processes of manufacture developed by this company and the use of Pennsylvania paraffine-base crude oil give Veedol, the new lubricant, its unusual chemical structure, and its remarkable heat-resisting ability. - ORDINARY OIL VEEDOL AFTER USE AFTER USE Shotting Finely Divided Solid Mater in Swpen ion Make This Road Test Remove the drain plug from the lowest part of your motor crank case and allow all old oil to run out. Replace the plug, fill the sump up to correct oil level with kerosene and mn the motor slowly under its own power for about thirty seconds, to cleanse the interior. Then draw out all kerosene, replace the drain plug and refill with Veedol. The exact amount of fuel and oil in the car should be recorded and a reading of the speedometer taken before starting. Then let a test, be run over a familiar r o a d ncluding steep hills and straight 1 eve 1 stretches, for any distance up to five hundred miles or more. You will find that your motor has acquired new pickup and hill- clim bing ability, due to the maximum mechanical efficiency made possible through Veedol. You will find your mileage on both gasoline and oil increases. You will reduce your carbon trouble. Your motor will have more power. What It Means In Actual Saving The average mileage of all automobiles is conceded to be approximately 6000 miles per year, and the annual expense of operating the typical or average car ($ 850 car), as figured by an expert statistician, is approximately $ 416 per year. Depreciation, repairs and gasoline come to about $ 268. This new lubricant resists heat and prevents rapid sedimentation. This means less wear, less expense, more power. Solid matter in your oil means friction and wear. Friction and wear mean expense. Thus expense varies in direct proportion to the amount of black solid matter formed by the oil. For this reason, ordinary oil runs up your repair bills, lessens your gasoline mileage and by shortening the life of your car, materially increases your depreciation costs. Engineers state that fully 50% to 75 ' , of repairs and 50% of depreciation are due to improper lubrication. Veedol prevents rapid sedimentation and saves you money on three of the greatest items of expense. The cost of accounting records of taxi-cab companies, bus lines and large corporations shows that Veedol should save you from $ 50 to $ 115 per year on gasoline, repairs and depreciation. Since Veedol wears several times longer than ordinary oil, your lubrication bill itself will actually be smaller when you use Veedol. If you are interested in saving money you will be interested in making your own tests of this remarkable new lubricant. Get a five-gallon can of Veedol and make the road test described. Where You Can Buy Veedol Progressive dealers everywhere have secured Veedol and can supply you. Look for the orange and black Veedol sign. Any Veedol dealer will give you a copy of the Veedol book free. This book explains hoY/ Veedol resists heat and specifies the right body of Veedol for your car. Each dealer is also supplied with a large chart specifying the right body of Veedol for each automobile, motor-boat or motor-cycle. If, for any reason, you cannot get Veedol at once write to the Platt& Washburn Refining Co. By return mail you will receive a copy of the book free, and the name of the dealer who will supply you. PLATT& WASHBURN REFINING CO. 1807 Bowling Green Bldg. New York NEW 92 PAGE VEEDOL BOOK FREE Write for the new Veedol "The Lubrication of Inte Combustion Motors.” ' This bok explains the A B C' s of oil refining rod finishing. It gives fuU information ring the laboratory practical service tests to which lubricants rc subjected before finalfinal approval and shipment. It deacriw illtoatcs all typos of lubricating sstems in automobiles, motor-.cycles, motor-Mts, tractors. etc. It mtains a f of useful information and scientific facta g lubricants and lubrication from many angles. This bok also shows how the Vrfol Engineering Department. which is at your service, is hel owners. 92 pages profusely iUustrated in colon. WRITE TODAY 11 SUpplird in ont gton and / 1i< lon seated can.!; 15 gal"". 28 gal/ on and 53 gallon stctl dntin$ \ and in 2£ gallon and 50 gallon while viit barrfls. / X *ppU1al 1KJtirin(J t. $ ItppHfi with tacit rndni cowfaiwr. (iuaranttCd irhai sold In tile orU- mtf tal/ c. n CRANK BEARING l40° » o250° Fahr. These High Operating Temperatures Cause Rapid Destruction of Ordinary Oils
