Alternating Current Machines by Puchstein & Lloyd Hardcover 1936

Alternating-Current Circuits by Kerchner & Corcoran 1946 2nd Edition Hardcover

Alternating Current Machines by Puchstein & Lloyd HC 1936

Alternating Current Circuits Russell Kerchner 2nd Edition 1949 HB w Answer Book

1949 Hardback Book Electric Circuits and Machines Robertson Black Van Nostrand

Scratch and Colour Machines by Jenny Copper Hardcover Book

Vintage Book Alternating Current Horstmann Tousley 1923 USA, Great Shape

Wheels and Steel - Machines by Jenny Copper (English) Hardcover Book