Engineer Guy on the Mechanics of a Projector
This is pretty neat. A dozen functions on a single rotating axle. Plus, I always thought the audio was a
Read MoreI can't believe that came from your mouth!
This is pretty neat. A dozen functions on a single rotating axle. Plus, I always thought the audio was a
Read MoreLaughingSquid posted this photo of an old 1967 technology called Mail Call by Smith-Corona, makers of electric typewriters. It looks
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