The Oramics Machine

It was reported recently that a machine created by the founder of the BBC Radiophonics Workshop has been acquired by the Science Museum in London. The device, invented by Daphne Oram, created sounds that were dependent on waveforms hand-painted on 35mm film.

http://sciencemuseumdiscovery.com/blogs/collections/we-have-also-sound-houses/

You can view a short documentary about the machine here http://vimeo.com/21310959