The protective gear handbook.
Wellman, Frederick Edward.
The protective gear handbook. - 2nd ed., by F. E. Wellman in collaboration with H. G. Bell and J. W. Hodgkiss. - London : Pitman, 1968. - xi, 379 p. 3 fold. plates, illus., forms. 23 cm.
Includes bibliographies.
0273436554 9780273436553
77400252
Protective relays.
Electric switchgear.
621.317
The protective gear handbook. - 2nd ed., by F. E. Wellman in collaboration with H. G. Bell and J. W. Hodgkiss. - London : Pitman, 1968. - xi, 379 p. 3 fold. plates, illus., forms. 23 cm.
Includes bibliographies.
0273436554 9780273436553
77400252
Protective relays.
Electric switchgear.
621.317