I saw this recently http://www.theremin.info/-/viewpub/tid/10/pid/58 http://www.theremin.info/-/viewpub/tid/10/pid/58 While looking for Theremin schematics, i

I saw this recently http://www.theremin.info/-/viewpub/tid/10/pid/58 http://www.theremin.info/-/viewpub/tid/10/pid/58 While looking for Theremin schematics, it purports to be the Moog Etherwave schematic