Bolt and Nut-Lock.
Description:
Patent for "a nut-lock of such construction that it may be used either as a permanent nut-lock or one in which the locking feature may be thrown out of engagement when it is desired to remove the bolt for any purpose." (Lines 15-20) Includes instructions and illustrations.
Date:
January 21, 1896
Creator:
Nevill, William B.
Partner:
UNT Libraries Government Documents Department