HackerTube / Video
Spinning Levers - How A Transmission Works (1936)
US Auto Industry
A 1936 Chevrolet-sponsored film that explains how a car transmission works by treating gears as spinning levers. It uses physical models to make the mechanism clear.
It is held up as a model of clear, well-paced educational film and of the old-era instructional style.
9 Hacker News mentions · 2018–2026