Museum Number - TB053

Maker - G. Van Engelen

Model - Vienna Valve

Date of Manufacture - 1850-1867

ID # - none

Surface - raw brass

Markings -

Historical Detail - Gummarus Van Engelen operated in Lierre Belgium from 1850 to 1893. The each of the valves operate just like the positions on a slide trombone. Open is 1st position, first valve is second position.