Guide to the practical elements of electrical testing / J. Warren
New dynamo tenders' hand-book : with one hundred and forty illustrations / F. B. Badt
Standard wiring for electric light and power : as adopted by the fire underwriters of the United States containing national electrical code / H. C. Cushing, Jr
Manual prático del instalador electricista : alumbrado: fuerza motriz, timbres y teléfonos / P. Couttereau; Antonio Ferrer Dalmau