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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
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