INDUCED CURRENTS
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"Through the combination of photography and amplified drawings, this film helps materially in teaching the difficult topics of armatures, commutators, collector rings, telephones, automatic telegraph, mutual and self-induction." Wisconsin
Complete catalog record
Dewey number: 621.31
Audience level: jh-sh-c Guide
Format/cost: 16-sl-$24
Distributors / rental: Not shown in source
Audience level: jh-sh-c Guide
Format/cost: 16-sl-$24
Distributors / rental: Not shown in source
Sources
- Educational Film Guide 1946 — title, year, creator, length, format, description, catalog record
Record added 2026-07-02 14:42:45