. Official proceedings . We also manufac-ture Chicago Pneu-matic S i m p 1 a t eValve Air Com-pressors in 300 stylesand sizes, GiantFuel Oil, Gas andGasoline Enginesand Duntley ElectricDrills, Grinders andHoists. ARE BALL BEARING. The increased port areas, directness of DOrt passages, increased diameter of thrust bearing, result in high power, long life and economical upkeep and air consumption. Send for Bulletin No. 127. BOYER PNEUMATIC HAMMERS are made in three parts—cylinder, handleand valve—a construction which facilitatesexamination, cleaning and repairs, and ex-tends the life of the tool

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. Official proceedings . We also manufac-ture Chicago Pneu-matic S i m p 1 a t eValve Air Com-pressors in 300 stylesand sizes, GiantFuel Oil, Gas andGasoline Enginesand Duntley ElectricDrills, Grinders andHoists. ARE BALL BEARING. The increased port areas, directness of DOrt passages, increased diameter of thrust bearing, result in high power, long life and economical upkeep and air consumption. Send for Bulletin No. 127. BOYER PNEUMATIC HAMMERS are made in three parts—cylinder, handleand valve—a construction which facilitatesexamination, cleaning and repairs, and ex-tends the life of the tool for Bulletin No. IL CO. 1052 Fisher Bldg., Chicago. 52 Vanderbilt Ave., New York. Pittsburgh: 10 and 12 Wood St. HEWITT, President. W. H. C ROFT, Vic E- PR ESI DENT MAGNUS METAL MEETS ALL HIGH-GRADE REQUIREMENTS. IT IS THE STANDARD METAL FOR LOCOMOTIVE WEARING PARTS, JOURNAL cna / FAST PASSENGER CAR SERVICE,BEARINGS •■ I HEAVY FREIGHT CAR SERVICE. MAGNUS COMPANY 111 BROADWAY, NEW YORK.

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