Elementary technical electricity /
Agger, L. T.
Elementary technical electricity / by L.T. Agger. - 2nd ed. - London : Longmans, 1956. - viii, 268 p. : ill.
Electricity.
Electric engineering.
Elementary technical electricity / by L.T. Agger. - 2nd ed. - London : Longmans, 1956. - viii, 268 p. : ill.
Electricity.
Electric engineering.