David Vorhaus demonstrating the Kaleidophon (1976) - YouTube
Pretty cool stuff for over 40 years ago. I just wish he could have “invented” a better way to hold on to it. Looks a little bit like … oh, never mind. 
David Vorhaus demonstrating the Kaleidophon (1976) - YouTube
Pretty cool stuff for over 40 years ago. I just wish he could have “invented” a better way to hold on to it. Looks a little bit like … oh, never mind.