Hopper-Door.
Description:
Patent for a hopper door especially designed to be used "with a vertically movable weighing hopper adapted to receive and weigh cotton seed" (lines 10-12). The specifics of how the door is hinged and operates is especially important to the design.
Date:
July 16, 1918
Creator:
Peck, James F.
Partner:
UNT Libraries Government Documents Department