QZ qz thoughts
a blog from Eli the Bearded

Mechanical Television in Colour

This hobbiest has recreated a mechanical television (a moving light is rapidly turned on and off by radio signal to create an image), put a pair of eye holes in for stereoscopic images, added spinning RGB filters to add color, and built a mechanical camera too.

dead link: http://www.radiocraft.co.uk/3dcolour.htm