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