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Langsdorf, Alexander Suss, 1877- [from old catalog]

Principles of direct-current machines. - Sixth Edition - 363 pages : illustrations ; 24 cm.

LCCN: 58014356

Subjects--Topical Terms:
Electric machinery--Direct current.

LC Class. No.: TK2612 / .L3 1959

Dewey Class. No.: 621.3132