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Nut Wrench
Patent for a nut wrench. Illustration included.
Date:
December 13, 1904
Creator:
Briscoe, Joseph M.
System:
The Portal to Texas History
Bridge.
Patent for a new and improved bridge. This design consists in "the combination, with the base, stringers, the top arched bars, and the upright tie-bars, of the intermediate stringers, arched bars, and their horizontal tie-bars, and wedge-keys . . . whereby the structure is greatly strengthened" (lines 85-91).
Date:
December 13, 1881
Creator:
Ibel, Justus H.
System:
The Portal to Texas History