Thanks for the tone setting tips.
I advertised for help on Craigslist and found a retired electronics expert here in Pittsburgh who remembered building a theremin in his younger years and found the Melodia a welcome project. He had it working with about an hour of work by replacing the main capacitor and 3 of the four plug in transistors or oscillators above and next to the tuning coils (forgive my ignorance of electronic components).
The battery terminals were not reversed. The 16 page booklet was unfortunately missing from the fragile original box that the theremin kit was shipped in.
There is no written rule about what the Melodia can play....Rob Schwimmer is living proof of that. If you ever get the opportunity to see him play live you won't be disappointed!
Today I got the Melodia out of storage and it was unplayable because the tuning coils were loose and out of alignment. Hopefully I will be able to work on it tomorrow. Who knows I may get up enough ambition to make another video. Any requests?