Congressional edition Volume 4351

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1901 Excerpt: ...C. shaft.--One 200-horsepower variable speed motor on balanced electric hoist; rope speed 1,250 feet per minute, not yet running. One 100-horsepower constant speed motor, driving single stage Rand & Waring air compressor. Five constant speed motors, 30,15,10,10, and 10 horsepower, respectively, driving saws, machine tools, and rock-breakers; also a fan in the 1,850 level and another on the 1,950 level. Mine, office, residence, and works fully lighted with arc and incandescent lights. Best & Belcher, Savage, and Gould & Curry mines.--Operating, jointly, a 5-horsepower motor, driving fan in Curry mine" tunnel. The three mines lighted throughout with incandescent lamps. Gould & Curry mill.--Three 20-horsepower constant speed motors, driving nine Kinkead gyratory grinders and a rock breaker. Three 5-horsepower constant speed motors, driving ore concentrators. Mill lighted with incandescent lamps. Chollar and Potosi.--One 30 and one 5 horsepower constant-speed motors, respectively, driving saws and a fan in upper tunnel. Mine and works lighted with incandescent lamps. Hale & Norcross.--Fifteen horsepower constant-speed motor, driving fan in the H. & N. tunnel. Tunnel and works lighted with incandescent lamps. Yellow Jacket.--One 75-horsepower variable-speed motor on balanced electric hoist; rope speed, 600 feet per minute. One 75-horsepower constant-speed motor, driving duplex tandem compound Rix air compressor; one 30 and one 10 horsepower constant-speed motors, driving saws and machine tools. Works well lighted with arc and incandescent lamps. Belcher.--One 75-horsepower variable-speed motor on balanced electric hoist; rope speed, 600 feet per minute. One 30 and a 1 horsepower constant-speed motor, respectively, driving saws and a ...