Barr, James R.
Principles of direct-current electrical engineering / by James R. Barr. With 294 illustrations. - London : Whittaker, c1908. - viii, 551 p. : ill. ; 23 cm.
Includes index.
08032343
Electrical engineering.
Electric machinery--Direct current.
TK111 / .B3
621.3 / BAP
Principles of direct-current electrical engineering / by James R. Barr. With 294 illustrations. - London : Whittaker, c1908. - viii, 551 p. : ill. ; 23 cm.
Includes index.
08032343
Electrical engineering.
Electric machinery--Direct current.
TK111 / .B3
621.3 / BAP
