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Nut-Lock.
Patent for improvements in nut-locks, "wherein a ratchet and pawl is employed to prevent retrograde movement of the nut after it has once been turned up into the desired position." (Lines 12-15) Includes instructions and illustrations.
Date:
July 23, 1891
Creator:
Magee, William L.
System:
The Portal to Texas History
Cotton-Gin-Saw Cleaner.
Patent for certain new and useful improvements in cotton gin saw cleaners, including instructions and illustrations.
Date:
December 12, 1899
Creator:
Mapes, Joseph Calvin
System:
The Portal to Texas History