Note also item 619, which is listed as a salesman's sample cowbell. It
appears to actually be from a toy chest of a photo player(?), as it is
equipped with a pneumatic actuator.

 [ http://bid.showtimeauctions.com/auction.aspx?a=12007&as=22564&p=1&ps=50#i13891179 ]

 [ Thanks Tom, I didn't see that. Nor did I see the Simplex Time Recorder
 [ near it, # 654.  While that one isn't a mecanical music device, it
 [ remindes me of some of the things I was interested in when I discovered
 [ self-playing musical instruments.    -- Jody