Transfer of Power
Sign in to track this film in your collection or want list.
✎ Suggest a correctionA simple lever combined with a cylinder becomes the toothed-wheel, foundation of machine era.
Sources
- Bell & Howell Filmosound Library Catalog of Educational Motion Pictures, 1942 — title, length, format, color, sound, genre, description
Record added 2026-09-27 14:20:41 · Suggest a correction