Principles of Electricity: Applied to telephone and telegraph work /
Principles of Electricity: Applied to telephone and telegraph work /
American Telephone Telegraph
- 1a
- U.S.A., American Telephone Telegraph 19390000
- 346 ilus
Texto en Biblioteca Central
ELECTRICIDAD-TRANSMISION
TELECOMUNICACIONES
621.384 15 / P957
Texto en Biblioteca Central
ELECTRICIDAD-TRANSMISION
TELECOMUNICACIONES
621.384 15 / P957