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., L'". in. 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.l:ulC>. Arrane-ed for Steam or Foot Power, Velocipede or Stand-up rrreadle. . THE TEMPLE PUMP CO., Chicago, This our 58th year. Send for Lathe Catalog. oxclusively the manufacture 2. In charging, the rate can varied 3 One not too heavy-will positively not gum clog, collect dust dirt, harden dry out. sYz single cylinder. regard to securing valid patent protpction for their in­ v Trade-:llarks and CopyrightM registered. Don't take the side shows and miss the main show i the big tent. each ' brought in- Istantly into u,e bal joint . l3-in. ('at nlog free. Lowest fuel cost for runs Gasoline, Kerosene- Distillate, Gas Alcohol and has perfect ubrication. WE LL DRILLING MACHINES Over sizes and 8tyles, for rilling either deep or shallow wells any kind soi rock. WilliAMS BROS Ithaca. Any mechanic can opprat e them easi Send for eatalol!. 'Publishers '1. Catalog free. THE POWER CONTRACTOR'S FAVORITE ENGINE. "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. pipe, Ibs. 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. Both free.00 SI'JIId tor 232 page catalog No. pressure, in. D WAT MOTOR . Our IIand-Book Patents will sent free on request. MO�M. Let explain. LA FAYETTE, IND. 695 Water Street, Seneca Falls, Y. THE EDISON CONCRETE HOUSE q How constructed. i\'1ounted on wheels o�· tonl ls. Established 1872. CO. l\Ionev b:lcl;; for allY reason. trolyte because the latter constant, chemically, electrically and physically. THE SEBASTIAN IS-INCH ENGINE LATHE HIGH GRADE LOW PRICE Automobile Builders. Write/orcatalogue once, mentioning thispaper. YOU WILL MAKE MISTAKE YOU NOT WRITE FOR INFORMATIQN.. BAR . vehicle manufacturer using the battery reports that charged ex· hausted battery A·4 cellR the rate of 100 amperes for short tin1('. 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. For sale uno Co• Inc. Manufactured the The Ke)Jstone Safety Starling Handle Co. ''''ashing ., and all newsdeal ers. Y. illustrated article published in Scientific meric. Ball­ bearing, safety starting handles for all makes cars.01' for Mechanics find Tradesmen. For user:" Blue Print Paper pply Lanting Machines for making blue print paper linen. 1 for complete catalog today••teU8 all about how these high grade lilotors are built tbe largost plant the world devoted. St. CRAY MOTOR CO. "FREE" Write for Catalogue.• 46 "St " Foot aml ar Power Screw Cutting Au��t LathesFOR FINE, ACCURATE WORK Send for Catalogue B. BORBEIN AUTO CO. The Sebastian Lathe Co•• 120 Culvert SI. ]6. M Broadway, New York B ranch Office. J\dive Ag'ents wanted. 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. any battery any time for half the CO'lt bearing of new battery.L, Write for Free Sample Manufactured by T Y C CO. makes Blue Prints, Black Prints and Brown Prints. , 4" Walnut Street, Philadelphia, Pa. TOOL MAKERS, EXPER I· M ENTAL PAIR WO ETC. 361 Broadway, New York WHAI ONE MAGNETO OIL ? January 4. It will not run out and leave contact points dry.., Dept. State your requirement\> and get our adVIse. STAI-:'RETT CO. MIC . Write once for generous sample bottle and Magneto Bulletin. W. pipe. (I'or sale everywhere. ]8-B. WILLIAMS, BROWN EARLE, Ine. Sag naw; ich A.cyc1e motorS. 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., Philadelphia, Pa. Louis, Mo. 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. From 9-in., 2109 North Ninth St. DE P'T , /"'K'# TAPES AND RULES ARE THE BEST.., Athol., 308 Park St. CO. -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.iliu(', in. Send for catalo., LEIB ST., Manufacturers, 417 West 15th SI., 507 Olive Street, St. Sold all garages, auto supply dealers, hardware and general stores-10c. /). Ours the Oldest agency for securing patents ; it was established over sixty-five years ago. A. engine made has wide range use. 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."w York and London., 1 Legal Notices IN VENTORS are Invited communicate with Munn o. 3 One contains carbon residue, foreign matter, acid, impurities like all cylinder (mineral) oils.50, cnsh with or­ d(·r. Sent FREE" A. 1). HOLTZER-CABOT GAS ENGINE JUMP SPARK and M. Senel )'onr water pres;;nre and silt supply pipe. One boy does the work four men. water during long periods the life t>f the cell. 625 Wash . Lowest cost because it delivers greatest available power per horse.. Yearly subscription, $3. Garages, Repair and General Jobbing Shops find this the ideal lathe for their work. slow speed, high duty engine. A Free Opinion the probable patenta­ bility iTlventi�n will readily gi.water pres­ sure; lbs. swin�. The nature the support rna· terials and the method applying the active material the plates enable the cell stand dead short circuits without injury. L O. BIotor for grmding, polishing, fans, sewing mtwhines for Doctors, Dl'ntists, Urn;!' �:)��:Il��l�d;�lfe!�$e;:'����f9���ei�� i �:�· tor and pulle:v 'olll)� $2. Try One. Strong, sirupie and durable.00."��;::;;·1J-Neatest, simplest and be,t on Ithe market. \-Vorl{s day NigJlt-makes prints any lenvth. Patents and 11 Paten secured. Ruby St. 918 Chestnut St. Price cents. With engines llorse powerR. a ONE OIL COMPANY, BROADWAY, New York City. EMEXT 23., 50c.l1lal'. The Bible ofthe aero enthusiast, experi­ menter, builder, aviator and advertiser. Louis, Mo. and states that pays better put over . Order yonI' motor hom dealer from us. four cylinder. Send for our Special Offer ! ------ ------ --- fiutomobile Running Gears WITH PRESSED STEEL ANGLE IRON FRAMES Also all styles bodies. how much it will cost, practical from archi· tecturaI and engineering standpoint ? These and other important questions relating the structure are discussed good, thorough. CIENTTFTC A:\I ERTCAN Sf' PP1. A. connection. ALOE CO. 1\[0(. SENECA FALLS MFG. S ENTI AME RICAN A ttache(J sny water faucet will deyelop lip to according: s i ze pipe and W:ltB!' pre!;,�llre. Eight sharp cut­ tmg edges., Port Washington, Wis. DETROIT. Easily lucked or released turning handle.blisbed 18IiO-ALOl<: Civil Engineering and Surveying Instruments DRA WING MATERIALS SIJPPLIES B . with provision for circulation elec.ven any inventor furnishing with model sketch and a brief description the device question. Scale drawings of mac hine, construction details, subscribers' forum. , concern. 1492-4 in. Please mention the Scientific American when writing- advertisers through wide range, and may far hig]her than would safe with the lead battery. GILSON MFG.. Send fOl Catalog I>o. All communications are strictly confidential. Don't scoff. Price cents mail. Net price $5, cas witlt orrle-l'. 361 roadway, New ork, or 625 Street, Washington, C. Accepted the authority..!!!_ and B K TYPES FOR MARINE AUTOMOBILE and STA· TIONARY ENGINES SEND FOR LAT EST BULLETIN 557 THE flOLTZER-CABOT ELECTRIC 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. 25c. PRICE 11<1. 3 One not too light properly lubricate and keep lubricated any bearing (ballbearing ordinary bearing). Improved bucket wheel construction. Only pel'feet small motor made. The Express System Saves Money.,an Supplement 685. A E-For Sixty Ye:m' the Standard the WOJ'ld for Quality., Cincinnati, Ohio Fon G NSMITHS.-SIX IMPORTA� T formulas. BABBITT METALS... two cylinder. The element made very com,;;act. Order from your newsdealer from .r MUNN COMPANY, Inc. I TilE J". 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. - Every User Blue Prints Should Investigate the New EXPRESS System Blue Printing Automatic, saves half the cost. Esb., ROCKFORD, h