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