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Les diagrammes suivants illustrent la mdthode. 1 2 3 4 5 6 1895 BELT DRIVEN AIR COriPRESSORS MANUFACTURED BY THE Kand Drill Company, 23 PARK PLACE, New York, U. S. A. BRANCH OFFICES: Chicago, 1328 Monadnock Block. Boston, 147 Pearl Street. San Francisco, 141 First Street, Denver, 427 17th Street. Helena, Mont. Butte, Mont., 22) S. Washington St. Ishpeming, Mich. Birmingham, Ala. Sherbrooke, Que. Montreal, 16 Victoria Square. Halifax, N. S., Halifax Hotel. Rat Portage, Ont. Mexico City, Apartado 830. Valparaiso, Chili. Melbourne, Australia. Sydney, Australia. Johannesberg, South Africa. CABLE ADDRESS, ABC CODE 4.TH AGEBISHOP. EDITION, AND RAND DRiiu CO'S CODE. Duplex Belt Driven Compressor. The illiistv.itioii uiioii tlic opposite \ydgi^' sliows diic i»t' our I'.ivoritc dcsinns Tor Ix'lt (Ifivcii coiiiiir'jssors. The niucliiiu' will lie seen to coiiiprisc two of our regular paltcrii ol' Corliss i'ramcs willi an air cyliu.k'i' altaclu'd to each, the whole lieiii^-' driven liy a lielt |iiilicy mouuteil upon the erank shaft between llie 1 wo •■illow blocks. To provide for a \arvin<f delivery of air where tlu' reiiuirenients are liable to Huetu- ate, we fit these niaehines with an automatic rei^ailator for throwiuLi' out of action or.e Ol' lioth- cylinders, as the case may ln', throUL;'h connection with their air valves. t o u z w -J straight Line Belt Driven Compressor. 1/ TIic lolIowiiiL;- illustration slious our strai<,flit line pattern of hclt driven com- pressor, and is self explanatory. This inaeliino is soniewliat elieaj.er in cost tliaii tlie Duplex, and for many purposes answers the purpose just as well. Like the Duplex uiaclmie, they are fitted, when neediMJ, with autoinatie reoulaturs actiut;' up..n tlii' air valves. i; Belt Driven Compressor with belt shifting regulator. Tlic iicxi 1111(1 List illustration sliows our |i;ittcrii of small hv\\ ilrivcii compressor intended Tor situations where the deinand I'nr air is suliject to wide variation, or is liable to lie suspended altooether at times. A reu^ulator will he seen attaelietl which throws the helt upon the loose pulley and stops the machine when the air pressure reaches the point determined upon for its limit. On the pressure droppinii-, the regulator throws the belt back u[)oii the tight pulley and st.irts the niachine. ■L.Ul. l ,-iiAiiMHUil,-' ! t«IM I J*. it o < X a: c C Id Cm «fi«llftflli«ftfi^^ CHICAGO 1693 OPflGIAL RIBBON ■■sued by Autbority of th« World's Columbian Exposition Direcior>Q«n«ral. Chairman. Comniitlee of Awards. DiPailTUCNT E-MlNO AND MnilNO. crv^ CHIEF. Department F— Machinery TEN AWARDS ON Dnplei Air ConiDrtssor, laying Componnfl Oorlisj Steani anil cnniDODDil Air Cflmilere. Bigli Pressure Coipressor, Siralglit Line ConiDressor. Liiile Giati m Sloaser Rock Drills, Furnace TanpiBg Drill. Tnnnel CoIiimd and Sliaft Bar. Demy Bit. Collective Eiliiliii Air Compressors and Roci Drills. EXHIBITED BY Rand Drill Company, NEW YORK CITY. L.^''^l