Mechanical engineering porn

Mechanical Principles (1930) by Ralph Steiner 4min selection 4min selection of a larger work by Ralph Steiner. The original was silent, and the DVD had it set to classical music. I have swapped the audio for an electronica, industrial track by 3 Liquid Hz Little Boy. Favorite movements: 1:16 counter mechanism 2:55 normal gears, but cut to engage on diagonals 3:37 SQUARE GEARS 3:41 variable speed transfer 3:46 rotary to linear action with a 4 tooth cog