Cut-Off Valve.
Description:
Patent for a cut-off valve meant to improve shut-off valves with "valve-plugs mechanically actuated by rotary valve-stems provided with cranks or eccentric pins which loosely engage the valve-plugs and serve to shift the latter longitudinally to or from the valve-seats when the stems are rotated" (lines 9-14).
Date:
June 23, 1895
Creator:
Melvin, Josiah W.
Partner:
UNT Libraries Government Documents Department