You need to start a new thread for those that have gold.
But I got Gold!
Just a glitch?
You can't take it away from me!
Mostly what you are familiar with as far as regulation. Tuning is done by adding or removing weigh on th tines. Fun little piano to play still...
I have worked on one in the distant past, late 70's.
But all I remember having tot do to it was tune the tines by adding solder or filing it off.