T-Square.
Description:
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
Partner:
UNT Libraries Government Documents Department