Following World War I the Boston Musical Instrument Company was sold to Cundy-Bettoney. In 1918 the two companies were at separate locations but by 1921 they were both located at 51 Chardon Street. Boston Musical Instrument Company continued in operation until about 1928. On January 4, 1927 the authorized preferred stock was reduced by $5,400 to $3,600, and the common stock by $12,000 to $9,000. The corporation was not formally dissolved until March 23, 1955. The high serial numbers of this horn and the earlier one marked USQMC mentioned above, places their estimated date of manufacture late in the company’s history, probably in the late 1920s. Thumb Operated Change Valve BMIC double horn S/N 24831 Photo courtesy of Michael Keller C.F.

Schmidt Piston The photo above left shows the rotary thumb valve used to switch the horn from F to Bb. It has a lever mounted above with a typical string linkage to the rotor.

This lever is pressed downward by the player to activate the rotor. This lever is not the original one, however, which can be seen at the left of the rotor attached and pivoted at the lower knuckle. Missing is its spring and the arm that would be connected to the rotor by a string linkage.

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The player would press the lever horizontally to the right to activate the rotor. The center photo shows this arrangement on the horn owned by Michael Keller. This earlier rotor is much taller than on the subject horn and the valve ports are spaced farther apart.

For comparison, the photo at the right shows the true C.F. Schmidt piston change valve. Some Boston Musical Instrument Company Instruments Supplied to the U.S. Quartermaster Department / Corps Instrument Serial Number Year Eb Tuba (BMIM) Baritone (BMIM) 3-Star Bb Cornet ('Ne Plus Ultra') 3-Star Bb Trumpet Bb Trumpet Tenor Trombone Bb Trumpet 3-Star Trumpet Baritone 3-Star Bb/A Trumpet ('Ne Plus Ultra') Baritone????? 1915 Tenor Trombone Altohorn 23252 192_ Single Horn in F 24786 192_ 25199 192_ This double horn 25506 ca.

1925-1928 Double Horn 25509 ca. Tales Runner Download Mac. 1925-1928 Acknowledgments.