Excursions in Science #2
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Illustrates the impractical though very interesting magnetic gears. Shows the practical application of the use of photo-electric cell in the photo-sorter. Details of the electric light bulb shown.
Complete catalog record
Category: Chemical Industry
Subcategory: Sve.
Type: Slide Film
Source: GE
Format code: 16sd
Subcategory: Sve.
Type: Slide Film
Source: GE
Format code: 16sd
Sources
- Index of Training Films 1946 — title, year, creator, length, format, sound, description, catalog record
Record added 2026-07-09 22:50:35