Nut Lock.
Description:
Patent for a new and improved nut-lock. This design consists in "the plate having the outstanding lugs, the retaining arms pivoted to one of said lugs, the detent between said lugs, and the locking-bolts having the head portion and the corrugated shank" (lines 64-68).
Date:
June 19, 1888
Creator:
Anderson, Lee
Partner:
UNT Libraries Government Documents Department