Trumpet, B-flat, A, low pitch
Date1928
Place MadeElkhart, Indiana, United States, North America
ModelTrue-Tone Model 10-22
Serial No.239133
SignedEngraved on bell: THE / BUESCHER / ELKHART / - IND. - / U.S.A.MarkingsStamped on left side of second valve casing: TRUE TONE [triangle, tuning fork, and bell trademark] / TRADE MARK / REGISTERED and PAT. OCT. 29. 07 / 239133 / LP / A / 10-22
Stamped on valve spring stems and interior of upper valve caps: 239133
Stamped on valve casings, spring stems and upper valve caps, respectively: 1, 2, 3
DescriptionBrass, lacquered, mother-of-pearl finger buttons, single loop, main tuning slide at first bow with stop-rod-operated quick-change to A , three Périnet valves (1, ½, 1½), top-sprung, spring inside hollow stem, alignment by three lugs on spring anchor plate, nickel-plated brass pistons, single water keys at main tuning slide and third valve slide, trigger with pull ring at third valve slide, windway 3-2-1.
The patent referred to on the second valve casing is U.S. Patent no. 869,619 from October 29, 1907, for a continuously increasing metal thickness in the flaring part of the bell to prevent the tone becoming “split” when the instrument is blown with excessive pressure.
DimensionsHeight: 495 mm
Tube length: 1321 mm
Bore diameter (initial, minimum, tuning slide, valve slides): 10.9 mm, 9.5 mm, 11.3 mm, 11.31 mm (0.445 inches)
Bell diameter: 114 mm (4 1/2 inches)
ProvenancePurchased from Steve Dillon, Woodbridge, New Jersey, 1988.
Credit LineJoe R. and Joella F. Utley Collection, 1999
Object number07214
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