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
bottles.. The Sebastian Lathe Co•• 120 Culvert SI. From 9-in., and all newsdeal ers. 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. (I'or sale everywhere. Accepted the authority. Ours the Oldest agency for securing patents ; it was established over sixty-five years ago. The element made very com,;;act. BABBITT METALS.blisbed 18IiO-ALOl<: Civil Engineering and Surveying Instruments DRA WING MATERIALS SIJPPLIES B . 'Publishers '1. i\'1ounted on wheels o�· tonl ls. Ruby St. A Free Opinion the probable patenta­ bility iTlventi�n will readily gi. Garages, Repair and General Jobbing Shops find this the ideal lathe for their work.l1lal'. 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. DETROIT."w York and London. Only pel'feet small motor made. ]8-B. Price cents mail. Order from your newsdealer from . MIC . Easily lucked or released turning handle. any battery any time for half the CO'lt bearing of new battery. "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.cyc1e motorS. Write once for generous sample bottle and Magneto Bulletin. in. GILSON MFG.. Don't scoff. S ENTI AME RICAN A ttache(J sny water faucet will deyelop lip to according: s i ze pipe and W:ltB!' pre!;,�llre. l\Ionev b:lcl;; for allY reason. illustrated article published in Scientific meric. State your requirement\> and get our adVIse. Our IIand-Book Patents will sent free on request. 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. One boy does the work four men. L O. , 4" Walnut Street, Philadelphia, Pa. THE SEBASTIAN IS-INCH ENGINE LATHE HIGH GRADE LOW PRICE Automobile Builders., Port Washington, Wis.. THE TEMPLE PUMP CO. connection.50, cnsh with or­ d(·r. EMEXT 23. l3-in. BORBEIN AUTO CO. a ONE OIL COMPANY, BROADWAY, New York City. vehicle manufacturer using the battery reports that charged ex· hausted battery A·4 cellR the rate of 100 amperes for short tin1('. Sent FREE" A.00. Send for our Special Offer ! ------ ------ --- fiutomobile Running Gears WITH PRESSED STEEL ANGLE IRON FRAMES Also all styles bodies. 1492-4 in. - Every User Blue Prints Should Investigate the New EXPRESS System Blue Printing Automatic, saves half the cost. 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. A. oxclusively the manufacture 2., 2109 North Ninth St. Let explain. Manufactured the The Ke)Jstone Safety Starling Handle Co. Send fOl Catalog I>o. \-Vorl{s day NigJlt-makes prints any lenvth., Dept., 1 Legal Notices IN VENTORS are Invited communicate with Munn o. CO. Send for catalo. 25c. 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. DE P'T , /"'K'# TAPES AND RULES ARE THE BEST. SENECA FALLS MFG. With engines llorse powerR. with provision for circulation elec. Esb.ven any inventor furnishing with model sketch and a brief description the device question. W. BAR ., L'"., Cincinnati, Ohio Fon G NSMITHS. 625 Wash ., 507 Olive Street, St. pressure, in...!!!_ and B K TYPES FOR MARINE AUTOMOBILE and STA· TIONARY ENGINES SEND FOR LAT EST BULLETIN 557 THE flOLTZER-CABOT ELECTRIC CO. HOLTZER-CABOT GAS ENGINE JUMP SPARK and M. Catalog free. TOOL MAKERS, EXPER I· M ENTAL PAIR WO ETC. engine made has wide range use. Established 1872.,an Supplement 685. LA FAYETTE, IND. Patents and 11 Paten secured. THE EDISON CONCRETE HOUSE q How constructed. Any mechanic can opprat e them easi Send for eatalol!. 3 One not too light properly lubricate and keep lubricated any bearing (ballbearing ordinary bearing)."��;::;;·1J-Neatest, simplest and be,t on Ithe market. Ball­ bearing, safety starting handles for all makes cars. ���. In charging, the rate can varied 3 One not too heavy-will positively not gum clog, collect dust dirt, harden dry out. . Sold all garages, auto supply dealers, hardware and general stores-10c.r MUNN COMPANY, Inc. pipe. 1\[0(. CRAY MOTOR CO. Louis, Mo. sYz single cylinder. "FREE" Write for Catalogue. Sag naw; ich A. Net price $5, cas witlt orrle-l'. 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. each ' brought in- Istantly into u,e bal joint . Strong, sirupie and durable. 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. I TilE J"., Manufacturers, 417 West 15th SI. how much it will cost, practical from archi· tecturaI and engineering standpoint ? These and other important questions relating the structure are discussed good, thorough. 361 Broadway, New York WHAI ONE MAGNETO OIL ? January 4. Senel )'onr water pres;;nre and silt supply pipe. 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.., Athol. M Broadway, New York B ranch Office. 3 One contains carbon residue, foreign matter, acid, impurities like all cylinder (mineral) oils. It will not run out and leave contact points dry.01' for Mechanics find Tradesmen. and states that pays better put over . , concern. Improved bucket wheel construction. J\dive Ag'ents wanted. four cylinder. regard to securing valid patent protpction for their in­ v Trade-:llarks and CopyrightM registered. All communications are strictly confidential. ALOE CO. ''''ashing . Lowest fuel cost for runs Gasoline, Kerosene- Distillate, Gas Alcohol and has perfect ubrication. ('at nlog free. 361 roadway, New ork, or 625 Street, Washington, C. -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. 1 for complete catalog today••teU8 all about how these high grade lilotors are built tbe largost plant the world devoted. CIENTTFTC A:\I ERTCAN Sf' PP1.L, Write for Free Sample Manufactured by T Y C CO. WILLIAMS, BROWN EARLE, Ine. Write/orcatalogue once, mentioning thispaper. two cylinder. 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. Yearly subscription, $3., ROCKFORD, h. slow speed, high duty engine. St. Don't take the side shows and miss the main show i the big tent. PRICE 11<1. swin�. 1). Lowest cost because it delivers greatest available power per horse., Chicago, This our 58th year. Try One. WE LL DRILLING MACHINES Over sizes and 8tyles, for rilling either deep or shallow wells any kind soi rock. Arrane-ed for Steam or Foot Power, Velocipede or Stand-up rrreadle., Philadelphia, Pa. water during long periods the life t>f the cell.. Both free. 918 Chestnut St. For user:" Blue Print Paper pply Lanting Machines for making blue print paper linen. 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.iliu(', in. /). pipe, Ibs. CO. 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. makes Blue Prints, Black Prints and Brown Prints. The Express System Saves Money. Price cents., LEIB ST., 308 Park St. MO�M. A. Scale drawings of mac hine, construction details, subscribers' forum. The Bible ofthe aero enthusiast, experi­ menter, builder, aviator and advertiser. Y.l:ulC>. STAI-:'RETT CO. Eight sharp cut­ tmg edges. D WAT MOTOR . ]6.00 SI'JIId tor 232 page catalog No..-SIX IMPORTA� T formulas. YOU WILL MAKE MISTAKE YOU NOT WRITE FOR INFORMATIQN. trolyte because the latter constant, chemically, electrically and physically. For sale uno Co• Inc.• 46 "St " Foot aml ar Power Screw Cutting Au��t LathesFOR FINE, ACCURATE WORK Send for Catalogue B. THE POWER CONTRACTOR'S FAVORITE ENGINE., 50c. 695 Water Street, Seneca Falls, Y. The nature the support rna· terials and the method applying the active material the plates enable the cell stand dead short circuits without injury. A E-For Sixty Ye:m' the Standard the WOJ'ld for Quality. Send for Lathe Catalog. Order yonI' motor hom dealer from us.water pres­ sure; lbs. WilliAMS BROS Ithaca