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
Don't take the side shows and miss the main show i the big tent. 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. Ruby St. Accepted the authority. Sold all garages, auto supply dealers, hardware and general stores-10c. with provision for circulation elec. LA FAYETTE, IND., Athol. STAI-:'RETT CO. - Every User Blue Prints Should Investigate the New EXPRESS System Blue Printing Automatic, saves half the cost.cyc1e motorS. 918 Chestnut St. makes Blue Prints, Black Prints and Brown Prints. Price cents mail. The Bible ofthe aero enthusiast, experi­ menter, builder, aviator and advertiser.01' for Mechanics find Tradesmen.ven any inventor furnishing with model sketch and a brief description the device question., Manufacturers, 417 West 15th SI. pipe, Ibs., Port Washington, Wis. sYz single cylinder. Patents and 11 Paten secured. Send fOl Catalog I>o. CO. Order yonI' motor hom dealer from us. Scale drawings of mac hine, construction details, subscribers' forum. Send for catalo. THE POWER CONTRACTOR'S FAVORITE ENGINE. Write/orcatalogue once, mentioning thispaper. SENECA FALLS MFG. 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., LEIB ST. two cylinder.l1lal'. 3 One not too light properly lubricate and keep lubricated any bearing (ballbearing ordinary bearing). ]8-B. 25c.. EMEXT 23. GILSON MFG.water pres­ sure; lbs. /). any battery any time for half the CO'lt bearing of new battery. 695 Water Street, Seneca Falls, Y. Lowest cost because it delivers greatest available power per horse. Sag naw; ich A."��;::;;·1J-Neatest, simplest and be,t on Ithe market.. M Broadway, New York B ranch Office.-SIX IMPORTA� T formulas. W., L'". 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. THE SEBASTIAN IS-INCH ENGINE LATHE HIGH GRADE LOW PRICE Automobile Builders.., 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. HOLTZER-CABOT GAS ENGINE JUMP SPARK and M., 2109 North Ninth St. Catalog free. trolyte because the latter constant, chemically, electrically and physically. Improved bucket wheel construction. pressure, in. For sale uno Co• Inc. 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., 1 Legal Notices IN VENTORS are Invited communicate with Munn o. 1). CIENTTFTC A:\I ERTCAN Sf' PP1. 361 Broadway, New York WHAI ONE MAGNETO OIL ? January 4., 308 Park St. YOU WILL MAKE MISTAKE YOU NOT WRITE FOR INFORMATIQN. Sent FREE" A. L O., 50c.• 46 "St " Foot aml ar Power Screw Cutting Au��t LathesFOR FINE, ACCURATE WORK Send for Catalogue B. DETROIT. J\dive Ag'ents wanted. BORBEIN AUTO CO.50, cnsh with or­ d(·r. BAR . how much it will cost, practical from archi· tecturaI and engineering standpoint ? These and other important questions relating the structure are discussed good, thorough. water during long periods the life t>f the cell. Our IIand-Book Patents will sent free on request. Send for our Special Offer ! ------ ------ --- fiutomobile Running Gears WITH PRESSED STEEL ANGLE IRON FRAMES Also all styles bodies. MIC . BABBITT METALS. Easily lucked or released turning handle. (I'or sale everywhere. THE EDISON CONCRETE HOUSE q How constructed. 625 Wash .,an Supplement 685. The nature the support rna· terials and the method applying the active material the plates enable the cell stand dead short circuits without injury. slow speed, high duty engine. l\Ionev b:lcl;; for allY reason. . Arrane-ed for Steam or Foot Power, Velocipede or Stand-up rrreadle. Any mechanic can opprat e them easi Send for eatalol!.blisbed 18IiO-ALOl<: Civil Engineering and Surveying Instruments DRA WING MATERIALS SIJPPLIES B . One boy does the work four men. ALOE CO. Manufactured the The Ke)Jstone Safety Starling Handle Co. illustrated article published in Scientific meric., and all newsdeal ers. The Sebastian Lathe Co•• 120 Culvert SI. four cylinder. State your requirement\> and get our adVIse. Lowest fuel cost for runs Gasoline, Kerosene- Distillate, Gas Alcohol and has perfect ubrication., Cincinnati, Ohio Fon G NSMITHS. a ONE OIL COMPANY, BROADWAY, New York City. ''''ashing . Louis, Mo.l:ulC>. i\'1ounted on wheels o�· tonl ls. All communications are strictly confidential. ]6. A E-For Sixty Ye:m' the Standard the WOJ'ld for Quality. MO�M. vehicle manufacturer using the battery reports that charged ex· hausted battery A·4 cellR the rate of 100 amperes for short tin1('. Net price $5, cas witlt orrle-l'. Both free. \-Vorl{s day NigJlt-makes prints any lenvth. Write once for generous sample bottle and Magneto Bulletin.. Ours the Oldest agency for securing patents ; it was established over sixty-five years ago. ('at nlog free. Order from your newsdealer from ."w York and London., 507 Olive Street, St. Strong, sirupie and durable. Price cents. "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. For user:" Blue Print Paper pply Lanting Machines for making blue print paper linen. Only pel'feet small motor made.00 SI'JIId tor 232 page catalog No. "FREE" Write for Catalogue. 1 for complete catalog today••teU8 all about how these high grade lilotors are built tbe largost plant the world devoted. With engines llorse powerR. , concern. PRICE 11<1. Garages, Repair and General Jobbing Shops find this the ideal lathe for their work. 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.00. A.. WilliAMS BROS Ithaca.. 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., ROCKFORD, h. S ENTI AME RICAN A ttache(J sny water faucet will deyelop lip to according: s i ze pipe and W:ltB!' pre!;,�llre. Send for Lathe Catalog. A Free Opinion the probable patenta­ bility iTlventi�n will readily gi. D WAT MOTOR . TOOL MAKERS, EXPER I· M ENTAL PAIR WO ETC. CO. A. 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.. I TilE J". pipe. l3-in. engine made has wide range use. , 4" Walnut Street, Philadelphia, Pa. connection. Esb. WE LL DRILLING MACHINES Over sizes and 8tyles, for rilling either deep or shallow wells any kind soi rock. Ball­ bearing, safety starting handles for all makes cars. in. and states that pays better put over . 361 roadway, New ork, or 625 Street, Washington, C.L, Write for Free Sample Manufactured by T Y C CO. 'Publishers '1. 1\[0(.iliu(', in., Chicago, This our 58th year. bottles. 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. -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. From 9-in. ���.r MUNN COMPANY, Inc. St. Don't scoff. The Express System Saves Money. DE P'T , /"'K'# TAPES AND RULES ARE THE BEST. Let explain. Established 1872. each ' brought in- Istantly into u,e bal joint . THE TEMPLE PUMP CO. Louis, Mo. oxclusively the manufacture 2., Dept. Try One. 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. 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. In charging, the rate can varied 3 One not too heavy-will positively not gum clog, collect dust dirt, harden dry out. swin�. WILLIAMS, BROWN EARLE, Ine. 1492-4 in. The element made very com,;;act. Senel )'onr water pres;;nre and silt supply pipe. regard to securing valid patent protpction for their in­ v Trade-:llarks and CopyrightM registered. Y.!!!_ and B K TYPES FOR MARINE AUTOMOBILE and STA· TIONARY ENGINES SEND FOR LAT EST BULLETIN 557 THE flOLTZER-CABOT ELECTRIC CO. It will not run out and leave contact points dry.. Yearly subscription, $3. CRAY MOTOR CO. 3 One contains carbon residue, foreign matter, acid, impurities like all cylinder (mineral) oils. Eight sharp cut­ tmg edges