Technical description: Brass. Leadpipe enters 3rd valve casing at 15° right of front; 3rd valve loop leaves from left and returns to 15° left of front; bellpipe exits 1st valve casing at the left. With double water-key with single touchpiece. With shank for B♭, not original. Valve type: 3 Périnet valves, top-sprung with spring inside tubular stem; alignment by unequal lugs on spring plate. Repair History: Spurious bottom springs have been added, presumably when original springs grew weak; the shank for B♭ is a replacement.
arnold myers; l.|haigh 2.10.85; r.|parks 23.1.93, 28.5.99.