[ Ref. 180615 MMD, 1914 Steinway Upright with Welte Changer ]
With a bit of detective work, I found that Welte called their roll
changers the "Welte Musicalle". I believe the term "Multi-control"
may have been the name bestowed on the device by the manufacturer,
Automatic Musical Instrument Company of Grand Rapids, Michigan
https://mtr.arcade-museum.com/MTR-1928-87-17/07/
https://mtr.arcade-museum.com/MTR-1928-87-2-SECTION-1/19/
https://mtr.arcade-museum.com/MTR-1928-87-19-SECTION-1/01/
Dave Krall
Hammond, Indiana
|