Joe Smertneck wrote:

> Electrical unit made by Dale Electronics, Yankton SD.
> They went out of business 17 years ago.

Joe,  This is the same system used in the Wurlitzer pianos.  (Several
messages concerning this player unit are in the MMD Archives.)  Contact
Ed Gaida <egaida@txdirect.net>, he has reprints of the manual available.

Dan Armstrong - Armstrong Piano Tuning & Repair
Pine River, MN 56474
http://www.uslink.net/~pianodan/