Electricity for coal-mining students : general principles and application
Stevenson, J.
Electricity for coal-mining students : general principles and application - 2nd ed - London Technical Press, 1944 - vii,243 p. 18 cm - .
0
Electric engineering
Electricity in mining
621.3:622.33 Ste
Electricity for coal-mining students : general principles and application - 2nd ed - London Technical Press, 1944 - vii,243 p. 18 cm - .
0
Electric engineering
Electricity in mining
621.3:622.33 Ste