Barr, James R.
Principles of direct-current electrical engineering / James R. Barr. - 2d ed. - London, I. Pitman, C1948. - x, 486 p. illus. 22 cm.
Includes index.
Enlish.
49017247
Electrical engineering.
Electric machinery--Direct current.
TK111 / .B3 1948
621.3124/BAP
Principles of direct-current electrical engineering / James R. Barr. - 2d ed. - London, I. Pitman, C1948. - x, 486 p. illus. 22 cm.
Includes index.
Enlish.
49017247
Electrical engineering.
Electric machinery--Direct current.
TK111 / .B3 1948
621.3124/BAP