Try Richard Bourgeois in Pittsburgh, CA, in the East Bay area.
I'm having him restore a Knabe Ampico for me.  He is or was the
primary restorer for Carnes Music, and is very knowledgeable about
automatic instruments.

  Richard Bourgeois Pianos
  email: <ricflyer@aol.com>
  Work: 925-432-9076

Marc Kaufman