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Nut-Lock.
Patent for improvements in nut-locks by using a locking attachment; “the attachment comprises, essentially, a shouldered pin adapted to underlie the lower surface of the nut, adjacent one of the corners thereof, and project into suitably-formed receiving-apertures in the surface of the member to be clamped or in a washer designed to be employed between said member and the nut.” (Lines 15-22) Illustration is included.
Date:
July 8, 1902
Creator:
Popplewell, Felix King
System:
The Portal to Texas History