Bass tuba (low B-flat)

This instrument was captured during the First World War (1914-1918), and exhibits a dark-shellacked surface, which was a typical camouflage technique applied to glittering objects. It is a German style bass tuba with an upright bell made of brass. It has three piston valves, of Berlin type, in which the inlet and outlet for the valve tubing is arranged on the same plane as the main tubing. It has one water key. Nominal pitch: 18-foot B-flat.