New York September, 1890 Paper - Pneumatic Hoisting

The American Institute of Mining, Metallurgical, and Petroleum Engineers
H. A. Wheeler
Organization:
The American Institute of Mining, Metallurgical, and Petroleum Engineers
Pages:
21
File Size:
865 KB
Publication Date:
Jan 1, 1891

Abstract

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The great depths attained by some of the older mines, and the milch greater depth at which they will have to he worked in the not distant future, strongly emphasize the imperfect and inadequate character of our present hoisting-practice. The depth of 3000 feet having been exceeded at several places, and 4000 feet almost reached
Citation

APA: H. A. Wheeler  (1891)  New York September, 1890 Paper - Pneumatic Hoisting

MLA: H. A. Wheeler New York September, 1890 Paper - Pneumatic Hoisting. The American Institute of Mining, Metallurgical, and Petroleum Engineers, 1891.

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