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Machine for Filing Gin Saws. (open access)

Machine for Filing Gin Saws.

Patent for a new and improved machine to sharpen the teeth of cotton gin saws. This design utilizes two bevel-faced wheels connected to a block between two arms that clamp the saw blade. The bevel-faced wheels sharpen the teeth of the blade, and the nuts and bolts of the frame allow for movement as well as tightening and loosening.
Date: August 17, 1880
Creator: McAllister, Alexander F.
System: The Portal to Texas History
Rope Attachment. (open access)

Rope Attachment.

Patent for a new and improved rope attachment. This design "relates to a novel and useful device which is adapted to be rigidly and substantially secured to the end of a rope, and which is constructed with a curved lip on its protruding end, so that when pressed over the loop of a snap-hook it will form a link or jointed connection of the snap-hook with the rope, ferrule, or clamp" (lines 12-19).
Date: August 13, 1889
Creator: Powell, John Seymour
System: The Portal to Texas History