Scientific American 1941

| Kategorie: Časopis  | Tento dokument chci!

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

Strana 4 z 5

Vámi hledaný text obsahuje tato stránku dokumentu který není autorem určen k veřejnému šíření.

Jak získat tento dokument?






Poznámky redaktora
Our IIand-Book Patents will sent free on request.,an Supplement 685. Manufactured the The Ke)Jstone Safety Starling Handle Co.. a ONE OIL COMPANY, BROADWAY, New York City. with provision for circulation elec., Athol. WilliAMS BROS Ithaca. BABBITT METALS., L'". CO. Order from your newsdealer from . EMEXT 23. connection. 3 One not too light properly lubricate and keep lubricated any bearing (ballbearing ordinary bearing). L O.water pres­ sure; lbs. Write once for generous sample bottle and Magneto Bulletin. \-Vorl{s day NigJlt-makes prints any lenvth. Patents and 11 Paten secured. Send fOl Catalog I>o. For user:" Blue Print Paper pply Lanting Machines for making blue print paper linen. CIENTTFTC A:\I ERTCAN Sf' PP1. A E-For Sixty Ye:m' the Standard the WOJ'ld for Quality. Equip Your Car With the "Webster" Safely Starting Handle, positive its action, absolutely prevents injury from back-kicks, adopted part 0/regular equipmentfor lco cars., and all newsdeal ers. Garages, Repair and General Jobbing Shops find this the ideal lathe for their work.50, cnsh with or­ d(·r. It will not run out and leave contact points dry. THE POWER CONTRACTOR'S FAVORITE ENGINE. slow speed, high duty engine. 361 Broadway, New York WHAI ONE MAGNETO OIL ? January 4. l3-in. Send for Lathe Catalog. Louis, Mo. how much it will cost, practical from archi· tecturaI and engineering standpoint ? These and other important questions relating the structure are discussed good, thorough. Sold all garages, auto supply dealers, hardware and general stores-10c. any battery any time for half the CO'lt bearing of new battery. Strong, sirupie and durable. 'Publishers '1. 695 Water Street, Seneca Falls, Y. (I'or sale everywhere. 1). Lowest cost because it delivers greatest available power per horse. Ruby St. From 9-in. ]6. Accepted the authority. Both free. pipe, Ibs. THE SEBASTIAN IS-INCH ENGINE LATHE HIGH GRADE LOW PRICE Automobile Builders. In this "can electricity" the solution s a mere liquid carrier ions-it has, O t speak, moods and tenses its own to catered the battery user. Bill' THELOWESTCOSTENGINE ��{!i�\�;:�leasIest e machine operates, delivering steadier power than any other gasolIne engine, adapting especially for operating farm machinery, with better results and least waste grain. DETROIT. trolyte because the latter constant, chemically, electrically and physically. Price cents mail.. Let explain. Catalog free. oxclusively the manufacture 2. ���. GILSON MFG.l1lal'. The element made very com,;;act. TOOL MAKERS, EXPER I· M ENTAL PAIR WO ETC. In estimating the true commercial efficiency of road-vehicle transportation, the ton· miles obtained must compared with the total cost operation the vehi- cle, with due allowance for all-around reo liability.. Order yonI' motor hom dealer from us."w York and London. four cylinder. Lowest fuel cost for runs Gasoline, Kerosene- Distillate, Gas Alcohol and has perfect ubrication. BORBEIN AUTO CO. S ENTI AME RICAN A ttache(J sny water faucet will deyelop lip to according: s i ze pipe and W:ltB!' pre!;,�llre. Price cents. Sag naw; ich A. The cost of charging current, and hence also the ef· ficiency its recovery the discharge circuit, minor part the total ex· pense operating the vehicle and the low electrical efficiency the battery s offset its extremely light weight­ which 'not only lightens the construction of the vehicle, but increases the propor· tion "paying load" carried the same -and its ruggedness service.blisbed 18IiO-ALOl<: Civil Engineering and Surveying Instruments DRA WING MATERIALS SIJPPLIES B . Yearly subscription, $3. Esb. The Sebastian Lathe Co•• 120 Culvert SI. HOLTZER-CABOT GAS ENGINE JUMP SPARK and M. W. DE P'T , /"'K'# TAPES AND RULES ARE THE BEST. M Broadway, New York B ranch Office. YOU WILL MAKE MISTAKE YOU NOT WRITE FOR INFORMATIQN. Write/orcatalogue once, mentioning thispaper. WE LL DRILLING MACHINES Over sizes and 8tyles, for rilling either deep or shallow wells any kind soi rock. /). 25c., Manufacturers, 417 West 15th SI. For sale uno Co• Inc. Send for catalo. water during long periods the life t>f the cell. Eight sharp cut­ tmg edges. Established 1872., Dept.. A. All communications are strictly confidential. 625 Wash . "Boosting charges"-given a vehicle battery when partially dis· charged, carry through a longer _period than its prescribed day's work-may given for hour's run at a rate two three times the normal charging rate and regular charge may be completed hurry starting at a high rate and gradually dpcreasing the rate. ('at nlog free.. engine made has wide range use.00 SI'JIId tor 232 page catalog No. - Every User Blue Prints Should Investigate the New EXPRESS System Blue Printing Automatic, saves half the cost. Scale drawings of mac hine, construction details, subscribers' forum. l\Ionev b:lcl;; for allY reason.. bottles., 308 Park St. Any mechanic can opprat e them easi Send for eatalol!. stated that the cell im· proves use, instead deteriorating, and the company guarantees renew 3 One clear oil compound absolutely pure with just enough body oil perfectly the most delicate or sensitive action point. 361 roadway, New ork, or 625 Street, Washington, C.-SIX IMPORTA� T formulas. WILLIAMS, BROWN EARLE, Ine. BIotor for grmding, polishing, fans, sewing mtwhines for Doctors, Dl'ntists, Urn;!' �:)��:Il��l�d;�lfe!�$e;:'����f9���ei�� i �:�· tor and pulle:v 'olll)� $2. State your requirement\> and get our adVIse.r MUNN COMPANY, Inc. each ' brought in- Istantly into u,e bal joint ., Chicago, This our 58th year. ]8-B. Net price $5, cas witlt orrle-l'. THE EDISON CONCRETE HOUSE q How constructed. Connections between the cells a battery and with the external cfrcuit are made means heavy niCKel-plated copper·wire connectors, with steel lugs swaged the ends and fitting the taper terminal posts. 1 for complete catalog today••teU8 all about how these high grade lilotors are built tbe largost plant the world devoted. MO�M. BAR . MIC . The Express System Saves Money. sYz single cylinder. , concern. 918 Chestnut St. I TilE J".00. Sent FREE" A. Don't take the side shows and miss the main show i the big tent., 1 Legal Notices IN VENTORS are Invited communicate with Munn o. -Whereas the lead cell the constitu­ tion (proportions acid and water) con· ductivity and specific gravity all undergo definite changJe during the cycle of charge and discharge, the Edison cell these ql,lalities remain unaltered. D WAT MOTOR . i\'1ounted on wheels o�· tonl ls. 1492-4 in. PRICE 11<1. swin�. pressure, in. Senel )'onr water pres;;nre and silt supply pipe. In charging, the rate can varied 3 One not too heavy-will positively not gum clog, collect dust dirt, harden dry out.cyc1e motorS. SENECA FALLS MFG."��;::;;·1J-Neatest, simplest and be,t on Ithe market. 3 One contains carbon residue, foreign matter, acid, impurities like all cylinder (mineral) oils. The Bible ofthe aero enthusiast, experi­ menter, builder, aviator and advertiser. With engines llorse powerR., 50c. "FREE" Write for Catalogue.. ''''ashing ., Port Washington, Wis., LEIB ST. illustrated article published in Scientific meric.ven any inventor furnishing with model sketch and a brief description the device question. LA FAYETTE, IND. A., 2109 North Ninth St. Send for our Special Offer ! ------ ------ --- fiutomobile Running Gears WITH PRESSED STEEL ANGLE IRON FRAMES Also all styles bodies., 507 Olive Street, St. Ours the Oldest agency for securing patents ; it was established over sixty-five years ago. vehicle manufacturer using the battery reports that charged ex· hausted battery A·4 cellR the rate of 100 amperes for short tin1('. Ball­ bearing, safety starting handles for all makes cars.• 46 "St " Foot aml ar Power Screw Cutting Au��t LathesFOR FINE, ACCURATE WORK Send for Catalogue B. Starts easier and quicker than any other eng:ine, occupies less space, is ess cum bersome, with less vibration, therefore adapting for either stationary, portable traction use. Only pel'feet small motor made. Y. Try One..iliu(', in. two cylinder. and states that pays better put over . pipe.!!!_ and B K TYPES FOR MARINE AUTOMOBILE and STA· TIONARY ENGINES SEND FOR LAT EST BULLETIN 557 THE flOLTZER-CABOT ELECTRIC CO. regard to securing valid patent protpction for their in­ v Trade-:llarks and CopyrightM registered. . St. On account the low voltage the cell, a vehicle battery given voltage must contain larger number cells than a lead battery, twenty-fonr lead cells being equivalent forty the nickel-iron cells of same ampere-hour capacity but the low voltage and comparatively high in· ternal resistance are disadvantageo1ls from the purely electrical rather than the vehicle point view., ROCKFORD, h. in. CO.l:ulC>., Cincinnati, Ohio Fon G NSMITHS. makes Blue Prints, Black Prints and Brown Prints. A Free Opinion the probable patenta­ bility iTlventi�n will readily gi. CRAY MOTOR CO. , 4" Walnut Street, Philadelphia, Pa. Please mention the Scientific American when writing- advertisers through wide range, and may far hig]her than would safe with the lead battery. Louis, Mo. Easily lucked or released turning handle. THE TEMPLE PUMP CO. One boy does the work four men. Arrane-ed for Steam or Foot Power, Velocipede or Stand-up rrreadle. The nature the support rna· terials and the method applying the active material the plates enable the cell stand dead short circuits without injury. ALOE CO.L, Write for Free Sample Manufactured by T Y C CO., Philadelphia, Pa. J\dive Ag'ents wanted. 1\[0(. Don't scoff.01' for Mechanics find Tradesmen. Improved bucket wheel construction. STAI-:'RETT CO