Dave Barnes wrote in to tell us about an RCA theremin at the Canada Museum of Science and Technology...
"Cool Jason. This is ROSS MARSHALL.Just uploaded my old theremin videos.Plus my new TUBE THEREMIN by John Polstra- who amazingly lives off on the Lope..."
"Anyone have an idea what a 91B would be worth these days ?"
"This seems like a most worthwhile project. I am curious as to why no one has expressed any enthusiasm so far. "
"Coil in resonance."
"Body length is 10cm, diameter is 3cm"