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4 REASONS
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the "ofT position. They are mechanically interlocked to prevent opening enelasot door when breaker (a on. Sinners an available In five ataoderd aixes to muk
mum of 200 bp, 9 phase, SSO v, 60 cyda Word Leonard Eleetrle Co, Ml Vernon. N. Y.
Mercury Relay
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Dnicitao ro cadhv op la 35 amp,' this rtlaj laeorporates a free-floating magnetic ph gar, assuring smooth, aSIent epmtW Heavy tongsien eontaela with mercary-t* mercury make and break are hefmetlcaQj -
sealed (or dust and mobtnreprool opcntW Since there is no exposed arc, ihe.relay may serve under el) operating conditions.
Available'in 2- end 9-pole emits, the rehy measures'4 in. io bright, 2| In. In width, and 2| in. depth. Ebert Erigrg 8 Mfg Co, 1B5-09 Jamaica Ave, L. 1., N. Y,
Centrifugal Fan.
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Small S-la.-dla centrifugal (ana are piw dueed In single- or doublowidth lypea Type SCfi cornea In a range of capacities tod serves as a cooling mean* for electrical. and electronic equipment ae well os i pressurising system for equipment cabineta Johnson Fan & Blower Corp* 1919 T .
Lake Si. Chicago 7. III.
EVERY OART... is precision-machined to true bill joint... then ipherirally ground to give wide, rruc-bearing surfaces. Reason why Darts fit snugly without excessive wrenching ... are always leakproof.
EXTRA-WIDE BRONZE SEATS.. .resist pitting,electrolysis and corrosion ... stay drop-tight.
EXTRA-HEAVY SHOULDERS., .shrug off wrench abuse through doseosof installations.
PRACTICALLY INDESTRUCTIBLE . .. body and nut of air-refined, high test malleable iroo resists stress, stretching and wrenching ... ensures that connections will stay tight.
See your supplier today about these out standiog, money-saving features of Unions.
E, M. DART MANUFACTURING CO. aaovtoiNci i, xmodi isiano
194 (81 lot
UNIONS
ributlon Transformer
rvru of single- and 9-phiae dry dta
ion transformera are deatf** . la apecifie voltages for auxilwy M id power drcalts. Slngle-ph** inges from 250 va to 200 km . T,p. AP Iron J lo >>"*,.
class and below. DiT'ff ormera aw built ea alnglopka om500ve to 25kra.end9'P"*e n ranges from 5 to 50 kjjj* are aultable for 240 to2<0/ . ^ ^ e Iranjfonnera may bo ose"
Specifications
Itsom Presietes....ts 0S0 Ml. IImm Tvvipfota>n. ,tv ISO t, tk Pfemtts..... to 00 Ml. Pen? CepCKltles . ,N SCO 6PM
Uenid Tmstntim..ti SOO p
See our catalog in Sweet's Power Plant and Engineering Filet.
Also AS.M.E. Cata log and Thomas' Aeg/ster
A Lot of Pump Capacity in
Very Small Space ......
See for yourself at the Power Show
You'll hove on opportunity to visuolize the compoctness el Coffin Turbo Pumps
at tho Power Show (Bootn No. 222). Ask our engineers in attendance to give
you the capacities and exact dimensions of Coffin Pumps . ... to show you the
detoils of design and construction ... to cover
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such important points as th e reasons wh y t-hese staple stage, high speed units are long-lived, highly
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efficient and low in maintenance and steam con
sumption.
By engineering a turbine ond pump unit into on integral design, Coffin hos definitely attained high capacity at a considerable saving in space. Further more, full responsibilty for overall performance is ploced with one manufacturer.
Ask for literature; submit operating doto for recommendations by our engineers. No obligation is incurred.
Aoprosentotivoi In Principal Cities______
BOOTH NO. 292
Thei.S.C0FFIN,ilU0.ENcuwDOD.u
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