Technical description: Brass with german silver garland, bow guard and ferrule; the valve touchpieces of german silver with mother-of-pearl or abalone inlay. Water-key on main tuning-slide; fitting for music card-holder on bell. Valve type: 3 Périnet valves, top-sprung with alignment by key on piston.
A.|Myers, bore 4.5.13, description 22.2.14.
from plane of bell to mouthpiece receiver 284; bell 135.