| ID | Instrument | Maker | Model | Serial# | Manuf. Date | Key/Pitch | Click on Picture to Enlarge |
|---|---|---|---|---|---|---|---|
| 270 | Trombone; Valve | York | c1902-26 |
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| 1902 was the beginning of production for the Valve Trombone. J.W. Sons logo on the bell of trombones was discontinued after 1926. | |||||||
