Show two large class PRE direct conr aulin necked electric driven compressors used by the cleveland cliffs iron co th e one shown at the left is installed at the cliffs shaft aasne ishpeming alich and a n the e one on the right at the negal n nee ee al aline in negaunee Neg aunee alich 0 J 1 0 1 1 5 0 el 1 I 1 1 Z ig tn AA A f A EV no jot ot I 1 als 7 t M the he mine M ine A air i r compressor one way to maintain low production costs is to u use se machines which drill the greatest average footage with the lowest air consumption another equally important way is to install air compressors which actu actually alln deliver the greatest number of cubic feet ow ofa air per dollar spent for repairs and upkeep W just as there is an ingersoll rand drill for every rock drilling job ob so there is also an ingersoll rand compressor suitable for for every installation let us send you pou a set of air compressor bulletins ingersoll rand company co pany general offices 11 broadway new newyork york BUTTE E EL L PASO KNOXVILLE CLEVELAND philadelphia SCRANTON pittsburgh SAN F FRANCISCO SEATTLE JUNEAU LONDON LOS ANGELES ANGELE S SALT LAKE CITY DULUTH ST LOUIS CHICAGO PARIS DETROIT JOPLIN DENVER NEW ORLEANS DALLAS BOSTON NEW YORK HOUGHTON C rand ROCK DRILLS PRICE OIL ENGINES CAMERON PUMPS |