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