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