Waddicor, H. The principles of electric power transmission by alternating currents / H. Waddicor. - 4th ed. - London : Chapman, c 1953. - xx, 458 p. : ill. ; 22 cm. Includes index. Include bibliographical reference. 340 340 Subjects--Topical Terms: Electric power transmission. Dewey Class. No.: 621.31 / W118p