Nut Lock.
Description:
Patent for a new and improved nut lock. This design consists in "[t]he combination, with the loop-formed nut-locking device and the plate to which it is hinged, of the supplementary locking device, consisting of a wire or rod having one end bent at right angles and embracing the hinge of the main device and its other end provided with a hook to receive the side bar of the main device" (lines 37-44).
Date:
April 23, 1889
Creator:
Leiby, Isaac F.
Partner:
UNT Libraries Government Documents Department