Mine power
Subtitle: factors in the economical generation, distribution, and maintenance of electrical power and power equipment in the coal mines of Tennessee and Kentucky
By: Prepared at the request of the Southern Appalachian Coal Operators Association. By W.R. Woolrich ...
Published: 1923
Place of publication: Knoxville, Tenn
Language: eng
Number of pages: 49
Subjects: Electricity in mining; Coal mines and mining