Anti-Freezing Tank Valve.
Description:
Patent for a new and improved tank valve. This design consists in "[t]he combination, with the tank, its valve and lever, and valve-rod, of the frost-chamber having an annular space to receive the non-freezing compound, the stuffing-box around the rod and screw-threaded at the ends, and the screw-threaded caps . . . having necks and flanges" (lines 7-13).
Date:
June 11, 1889
Creator:
Barrett, William Henry
Item Type:
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Partner:
UNT Libraries Government Documents Department