Resource Type
Counties
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T-Square.
Patent for a new and improved t-square. This design calls for a triangular prism of a tongue, which enables more scales to be available to the work-person. The head, with its brackets and rabbet, will fasten the tongue in place while the work-person uses it.
Date:
November 7, 1882
Creator:
Rowe, Joseph William
System:
The Portal to Texas History
Rat Trap.
Patent for a new and improved rat trap. This design consists of "the pendulum bait-frame, in combination with triggers and attached to cam-springs and weighted trap-doors and rollers" (lines 59-62).
Date:
February 7, 1882
Creator:
Younger, Henry
System:
The Portal to Texas History