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