Electrical Work; Electrical Machinery.
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Complete catalog record
ELECTRICAL WORK; electrical machinery. Ray-Bell Films, Inc., c1945. 1 reel each, 16mm. © Ray-Bell Films, Inc. 1. Single Phase and Polyphase Circuits. © 1Jun45; MP495. 2. Rotating Magnetic Fields. © 1Jul45; MP16348. 3. Squirrel-Cage Rotor Principles. © 1Jul45; MP16349. 4. Split-Phase Motor Principles. © 1Jun45; MP494. 5. Repulsion Motor Principles. © 1Jun45; MP491.
Original permalink · Record added 2024-09-10 13:47:43