Good Morning,  I have been commissioned to build a stack for
a Wurlitzer Style YU photoplayer.  This is an 88-note instrument.
Are there any diagrams, plans, schematics or tubing diagrams
available for these machines?  Thank you in advance.

Steve Grattan - Lost Chord Clinic

 [ According to Bowers' "Encyclopedia", page 700, "The Standard
 [ Pneumatic Action Company built the roll mechanism part of the
 [ various Y models."  Maybe Standard also supplied the action
 [ stack for the piano.  -- Robbie