Motors

Principles of the motor. Direct and alternating current motors. Universal motors.

Copyright

Complete catalog record
Category: Electronics
Subcategory: S.V.E.
Type: Slide Film
Source: Jam Handy

Sources

  1. U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — title, year, creator, length, copyright
  2. Index of Training Films 1946 — title, creator, length, format, description, catalog record