Horn 54
This is the rebuilt 2nd version of the Thompson triple.
George made the 3rd valve a full triple valve. Originally the 3rd valve was only 2 levels, F and Bb, not the high horn.
This is the rebuilt 2nd version of the Thompson triple.
George made the 3rd valve a full triple valve. Originally the 3rd valve was only 2 levels, F and Bb, not the high horn.