Posted by Tony Clements on November 16, 1999 at 12:03:36:
In Reply to: Mirafone EEb posted by jlb on November 16, 1999 at 09:37:55:
The designation for the Mirafone Eb's was 183. Thusly: 183-4U would be an Eb, 4-valve, upright bell. There were MANY 183-4R made same horn, recording (forward) bell.