Electricity
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✎ Suggest a correctionThe electron theory of positive and negative charges.
Complete catalog record
Category: Electronics
Subcategory: B & H.
Type: Slide Film
Source: Jam Handy
Subcategory: B & H.
Type: Slide Film
Source: Jam Handy
Sources
- Index of Training Films 1946 — title, creator, length, format, description, catalog record
Record added 2026-07-09 22:54:29 · Suggest a correction