Document jgbg57D2ogj4rreqaZaMB267Q

BIDDLE *)a4,t'iument 'T'Iccva M EGG Ell MANUAL ToIII You How To Toil ELECTHICAI. INSULATION 40.000 Copies Have Been Distributed This 94 page manual is in demand by edu* ealora a well as praciicst electrics! men. It covert subject* of necessity to anyone who is responsible for electrical equipment. "Why Test Insulation Resistance?" "Preparation of Apparatus fur Test" "Testa When Drying Out Wet Apparent*" "Temperature Correction" "Methods and fnterpretatfon" These are but a few of the 14 chapters that sre built around tho subject of testing elec* trical imuletion resistance. . . and, of course, effective use of the Megger* Elec trical Insulation Resistance Tester sold in the U. S. only by the James C. Biddle Co. Supply is limited. Plesse write ea your company letterhead for INSTRUCTION MANUAL 21-J P. ELECTRICAL PREVENTIVE MAINTENANCE MATERIAL Written hr Practical Electrical Men BULLETIN 21PB--"The Story of Electrical Insulation Resistance" BULLETIN 21P9--"Miintensnee of Indus trial Electrical Equipment" BULLETIN 2lPlO_"Cut Electrical Bret*, downs" 0ULLET1N 21 PI I--''Costing the Most From Insulation Resistance Measurement*" BULLETIN 21P12--"Preventive Mainte nance of Elecirical Equipment" BULLETIN 2IP16--"Motor Maintenance with a Cheek Chart for Alternating- and Direct*Current Motors" T* tafl fm M*a* Miilw ?**t*r ihA|i It luatarlwt Is ceWg kotgro H kitati d*--*i Fcriadk 'otVgi prodd* n>, <** Id Uiglag mr nfr dd IS* oWm t gr Uaerkel **!**, lm tin* <md r*pli bOh. YOU MAY HAVE ONE OR ALL WITHOUT CHARGE JAMES C. BIDDLE CO. 1316 Arch St., Philadelphia 7, Pa. mm ** Please moil me: Q Bulletin 21P8 Q Bulletin 21P9 Bulletin 21P10 Bulletin 21PU Q Bulletin 21P12 Q Bulletin 21P16 Name__ _ Job ________ . Company-- Address_________ ___ ______ , 171 More EQUIPMENT NEWS hammer piston blow to turn the hit ^ The automatic drill bit rotation <lQ manually quarter-turning the drill U duces operator fatigue. -> Syntron Co, 492 Lexington Homer City* Pa. Engine-Driven Welder. 153 Ught-welght engine-drives , type EW-20 Is equipped with eomj`" gine accessories and euiUisry tp Unit can supply II0-v, dO-eyd*,*^ phase power from a conventional pjj outlet. Nominal rating ol welder amp, 40 v, 60% duty cycle with <a range from 40 to 250 amp. During off-welding periods, tax power ol 3 kw at 100$ pi or 2 kta u pi aro available for lights sod power During welding periods about 300 < (ary power Is available lor lights, v Coupled to a ford J20, 4-cycle, 4g der water-cooled industrial power to^ aell-excited, compound-wound goo function* both a* a do generator u single-phase alternator lor auxiliary p Welding current Is controlled la ranges by a tap switch and shnat rheosuL The ec power clrealt lad conventional outlets, a voltmeter, u breaker with orerload protection. Wesilnghouse Electric Corp, Box t Pittsburgh SO, Pa. far war* Cats m tt*m ttsws, w as a 141. Idtetlfy raw raonsst will IHa ; When most peoplo think of cool they : of Jeffrey. That's o good habit to got Into ,for Jeffrey moves o lot of tool In a yoor's lime by some method or other. Two way* re shown here . . . two way* of moving ^'fergo lonnogo* day offer day. iV, If you wont to ipeod coal lor olhor loose i; bulk malarial) on il* way--toll us about It. llholy we hove worked out the boat pos sible way to do it, using hundreds of in Booster Powered Clomp 154 * Over 15 tea* of damping f loro is developed by using small hydnd pump operating at 250 pai as powering i stallations In the post. Your handling prob lem may be different. Give us a chonto at It: Our engineers will be glad lo hotp you. Write todoy. vice. Fluid pressure booster with 625 if ratio drives high-pressure hydrsulic rp der that gives Anal elamp pressure. ** devlea Is spedilty designed lor piston^ assemblies, elamp offers advantages In damping operations. -- Miller Motor Co, 2040 N llawth* Ave, Melrose Park, III. manufacturing company Eiobn,d e Aluminum Point 155 * Ready-mixed aluminum pilot comes permnncoily bonded to any * aurfeee when sub|eetod to heat ff to 1600 F. The greater the best, the 4 permanent tho bond because Sw* 912 North Fourth St.. Colombo, t&. Ohio fclMwwtl imlsehra i IntM IS Bvttsls I Caicogs t Cciisc*i*aiaeaili2s Ovnvw I Agtroll jj fin fort. So. Herkm. Ky. HwtlM > lectimvitle 1 MUvovIm t Mgv Vwfc 7 OMtoOrtphle 1 PitHSurpk 22 Si. 1 Sell Uks Ctv I 1SJW Te. Co. IN., Meatraef. Ceoed* TA# Ca<UUttoe iInnn Wosrtt*i 44 MAtfRp. Co.,. GGaaMllosna aend gBueryvss, OWe vtnMhN, tnvtnnd CeWwif(CGrant BrlNla LN.J. WskoffrW, InaUtnd . IttiJ ltd., /WwmmtHira, I. 4. 76s 0il MeH-e-e--W---s tran Co,, Co/imfcti, Oil* TSs KUboufim 4 JecoAs Mr*. Cs.. CsfanSvs, ONs POWIft JAMUAlf l N)WU - MMUABT 1953