[ Ref. Rick Bourgeois in 161128 MMD ]
There are a large number of coin piano spool parts on eBay just now,
offered by Tom Wurdeman's son, I believe. Something suitable should
be available there if you search under "nickelodeon piano"
Dave Vincent
(Message sent Thu 1 Dec 2016, 01:44:24 GMT, from time zone GMT-0800.)
