If you don't have an iPhone, you can build your own Theremin (with vacuum tubes) by following this Popular Electronics article from 1955: http://www.swtpc.com/m

If you don't have an iPhone, you can build your own Theremin (with vacuum tubes) by following this Popular Electronics article from 1955: http://www.swtpc.com/mholley/PopularElectronics/Apr1955/PE_Apr1955.htm http://www.swtpc.com/mholley/PopularElectronics/Apr1955/PE_A... Simple!