B Valve trombone

Forza valve trombone tuned in Bb. It was originally brass and German silver, but was unfortunately siver plated in one piece, causing some bearings to get stiff. It was used in the staff orchestra of Horsens State Prison until 1985. Noticeable is the serial number "0", carefully stamped in all parts of the instrument.

The rotary valve mechanism

Other informations
Made by: Forza
Made in: (1950)
Materials: Brass and German silver, silver plated.
Condition: Limited ready for use

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