Dear Gamerterry,
The Rowe RB-8 or Antique Apparatus RB-8CD have a 24V color cylinder motor
(24V 60Hz 5W 10RPM manufactured by synchron).
It has a 5W 15 ohms resistance in serie, probably to decrise from 28VAC to 24VAC. I found a similar one into Rock-ola CD8 Bubbler part # SV-57410-A Motor...