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Trace Carrier.
Patent for improvements to a harness back band buckle and chain carrier, so that "strain is taken off from the center of the buckle, where the ordinary buckles often break" (lines 71-73), including illustrations.
Date:
January 31, 1893
Creator:
Nichols, Edward A.
System:
The Portal to Texas History
Trephine.
Patent for an improved, simple, durable, inexpensive, and efficient trephine that is easily assembled and takes up little space. It retains better results than other trephines.
Date:
March 21, 1893
Creator:
MacKenzie, Joseph Alexander
System:
The Portal to Texas History