Scientific American 1941

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Thomas A. Edison's Latest Invention A Storage Battery Designed and Constructed from the Automobile User's Point of View ...

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might throw one means that the element not expect0d entirely off the course and cause much to meddled with the user, and re- trouble. breakdowns, and other power troubles. Investigate oar claims first, you like, and are only too glad have you so. They have watched its revivi­ fying action upon persons whose nervous strength had been undermined overwork, worry disease, they have observed how has infused renewed energy, life and elasticity into starved nerves, how has regenerated the appetite, digestion, short, how wonderfully has helped to make the human machinery fit perform its functions the most per­ fect manner. JAMAICA, Y. Investigate their superior design. Made more successful amateur flights than all other makes engines combined.00 MOTORCYC LE . Ewa. II U. The cost the charge was $1. forced out bubbles-a cause low e auer emlCa ompany, Union Square, New York Filling Edison cell for evaporation. work­ manship, and material- note their rugged. volt. Young ing the cans too full, for this leaves Sanatogen sold three sizes, $1. . strength­ secure copy the catalogue today aid you in your selection. They also know from their own observation what Sanatogen has done for others.. Send jor cataimfue ALBERT MULLER Hoffman Boulevard, near Hillside Ave. About 600 routes are charged, without injury, because the catalogued for this country alone. Please mention the Scientific American when writing advertisers , Elbridge Featherweight Engines hold every novice record made America in 1 0. active service necessary to "fill for evaporation" every few days, using distilled water only (ordin­ ary water, which more less impure or which has been aerated absorption of carbonic acid from exposure the air, being injurious the cell) and put­ ting the water just before giving a charge, avoid the false level due to gas bubbles the electrolyte. fumes, the substitution bolt-and-nut connections for lead-burning, the good retention the active material the plates and the absence "sulphating" and similar troubles, and the non-fragile nature the cans and elements. Most any engine will run alright for a period thirty sixty days, but that not real test. The element and its separators fill Should the tourist wish make de- large proportion the cubic contents tour from the regular route take a of the can, and the amount electrolyte side excursion, the instrument can re­ is small, giving rise greater tend- set means the screw the back ency heat suddenly excessive cur- bring the card correspond with THE BEST TEST of engine's efficiency its long time record the hands users. The small amount electrolyte and the liability heating charge the high charging rates which are permissible, give rise another sensitive point in the handling this type cell, namely, "low electrolyte," e.d time saver, send back at my expense. To sure permanent satisfaction choose one from the many famous I GASOLINE ENGINES Their economy and dependability have been proved by years successful service. T · I Snarpen your tools " ll:lchine for six ria then YOU haven)t found it work an. Milwaukee, Wis.-General Army. The cell able stand idle tal routes, and also principal touring for long] periods, wholly partially dis- routes Europe. Physicians know that Sanatogen substance capable of supplying the real needs starved, overwrought nervous system-that scientific combination albumen and organic phosphorus-a compound eagerly absorbed the hungry tissues and possessing unique tonic and reconstructive qualities. Prof. But less impressive the enthusiastic testimony patients themselves. Used successfully farman, Greene, Cur­ tiss, Voisin, Santos-Dumont and Bteriot types of aeroplanes. " Harrison Fisher The well�known artist. Fitted with thumb valve and con­ nections bell circuit. electric pleasure vehicle equipped with the bat­ tery, the total weight being 2,387 pounds, has climbed Fort George Hill, a distance 2,138 feet with per cent grade, twenty-one times single charge. Ask your doctor about it, and any case write once for our book HOur Nerves Tomorrow" the work physician-author, written an absorbingly interesting style, beautifully illustrated and containing facts and information vital interest yon. and total 120 miles was made an average speed 12. ELBRIDGE ENGINE COMPANY 4 Culller Road, Rochester, New Vor" $40. com­ mercial vehicle battery high capacity will give the best results with to 80 per cent charge high rate even day, thereby avoiding the loss ef­ ficiency charging] that comes the end "normal" charge the pre­ scribed rane. retired, says find Sanatogen is wonderful remedy for building up run�down system. is claimed that single garage man can readily take care very largJe num" ber batteries and fact the Edison battery not regarded very attrac- electrolyte. writes I am able speak from own observations made the bedside of patients, and can say that ha�e used Sanatogen great number of cases (that is, those disturb� ances metabolism which were mainly nervous neurasthenic origin) and have obtained exceltent results. Another interesting performance of the battery city work, single 71f2-hour chargJe, "run-about" an hour and half two hours every day for seven days. It the discharge performance the battery, course, expressed "miles in the battery," that the auto driver is most interested in. tjU ampere hoUl' batt ery. Senator Wm.00., exposing the tops of the cells, and causing loss storage capacity. Warner Writes from Washington ] have used Sanatogen, and found it to most excellent tonic. There are file with the owners Sanatogen less than \000 letters from practising physicians praising, endorsing Sanatogen. can cheerfully recommend those who may suffering from exhaus­ tion nervousness. turer.32 miles per hour. The non-corrosive material its plates cards can ordered number to. The potash solution becomes contam­ inated time, from impurities that have accidentally gotten into the cell either directly way the filler spout (which may laid down carelessly on a dirty bench) absorption gases in the garage.- his precise location on have been abused, worn out, vehicle the road before can tell when and service. Chambers Former Chief Justice Interna� tional Court, Samoa, says "Sana� togen has been used family with the most excellent results, and I not hesitate recommend this valuable remedy those whose systems need building up, a most invigorating tonic. Sole Agents for China, ULDERUP SCHLUTER, 2 Connought Road, Hong Kong. hot weather an electric fan may turned the bat­ tery when charging, keep down its temperature. This filler connected a flexible rubber tube overhead cov­ ered tank distilled water, and also wired electric bell and dry battery.January 14, ENTIF ICi AME RICAN llille-tenth� the normal capacity a short charge high rate than give the long, slow charge traditionally deemed advisable for lead cells. We ask you earnestly get acquainted with Sanatogen. write charge and the electrolyte liable be Th C 5 EVERETT BLDG. important avoid fill­ -" And you must take Sanatogen regularly for several weeks " THIS urgent advice given physicians day day in every civilized land wherever sufferers from starved nerves and poor digestion seek relief. 70 Madison St. Absolutely reliable.42, which comes about cents per day. 'rransparent jar are used for alJ batcerle:o'l. Since the closed and sealed top the cell pre­ vents view its contents, special filler provided means which water may added the same height in largJe number cells rapid suc­ cession. Doctor honoris causa Johns Hopkins Med� ieal School, Baltimore. Some Mechanical Road Guides ( Continued from page 33. duces his work, practically, mere su- One card serves for only one route, pervision the charging and filling and this route more than 100 miles for evaporation, external cleaning lOng but less than 200 miles, the card Is about twice year (taking the cells reversed and the directions the back out their trays and removing dirt are followed. The manufacturers the from between and underneath the instrument supply cards covering all cans, and removing rust, any) and known touring routes the United putting new electrolyte long in- States, including several transcontinen­ tervals. Truly, a magnificent monument the value this food tonic. To those whose nervous systems_ need building up, there nothing better. Send six cents stamps for catalogue. Co. There reason for this." S. Wm. They are practical insur­ ance agaim5t financial loss due delays. 60 Lieut. Made different sizes-one forty-five horse power in vertical and horizontal, stationary, and portable traction types.Q Of Berlin University. Fitted with �enl1ine l':\rborundum wheels-2."l times faster ttmll grindstones, times faster tban emt'ry�will not draw empel"--nO Jleed of water cooling�attachment for sh�rpenillg all kinds tools, chifiels, twist drills, etc. " room for the gas escape during Get from your druggist ifnot obtainable from liim. Men and women the forefront human endeavor, statesmen, prelates, authors, lawyers, have written above their own signatures the wonderful benefits received from Sanatogen.) 15 Harvester Building Chicago, A. " Hon. The garage work other than charging is simpIified the absence corrosive rent than lead cells. The filler spout inserted the aper­ ture the cell, and thumb-valve on the filler operated allow the water to flow into the can. says : " have used Sanatogen since the first the year and find won� derful tonic. Continuous work- ing high temperatures ' has injuri­ ous effect tending shorten the life of the cell, but temperature 100 de­ grees not critical. battery showing about 100 volts when charged can thrown directly the nO-volt mains without re­ sistance series. charging, however, the battery compartment must be' left wide open. America, (Inc. the'i·"efore needs be replaced fresh electrolyte about once in eight months for :commerciaI-vehicle battery once year for pleasure­ vehicle battery. This book also contains evidence of the value Sanatogea which remarkable conclusive. PI'ice 824.S immersed the alkaline electrolyte, wanted, and kept good order card­ the cell being, electrochemically, board case furnished the manufac- state stable equilibrium. 00, $1. Hill climbing a favorite test automobile power plant, and the performance the Edi­ son battery this respect good in­ dication its road ability. The total weight the car and two passengers was 2,470 pound". Address: International Harvester Co.'''POROX'' Storage Batteries The best for ignition and ght" No Joss current. LUTHER DIAMOND TOOL GRINDERS Luther Grinder Mfg. The cells are filled with elec- how proceed mistake even half trolyte and assembled trays before mile the distance from given point leaving the frctory, and the sealed top !hen making turn . recommending it overworked friends. 90, $3. The stream of distilled water presents high resist­ ance the bell circuit, but when the level the electrolyte has risen into contact with the end the spout, the bell rings. ) tive business the public garages ac- road naps and guide books that one customed doctoring lead cells which must first kno. The metal cans and the small amount solution invite more rapid chilling vehicle standing idle in winter than the heal-insulating hard rubber jars the lead battery, and to be avoided properly inclosing the bat­ tery trays, sealing all holes open­ ings avoid the entrance the cold air