Electrical Equipment In Mines /
edited by H. Cotton ; contributors: B. L. Metcalf ...[et al].,
- London : George Newnes Limited ., 1955
- vii, 456 pages .: illustrations .; 23 cm
Includes indexs (p.: 447 - 456 )
Electricity in mining
621.3 / ELE 1955
Includes indexs (p.: 447 - 456 )
Electricity in mining
621.3 / ELE 1955