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Square.
Patent for a a carpenters square, which has tables printed on it for calculating the length and angle that rafter boards should be cut to.
Date:
January 17, 1911
Creator:
McCormick, Terrill William
System:
The Portal to Texas History
Framing-Tool
Patent for a framing tool designed to ease the laying of "rafters, stair carriages and the like" (lines 14-15). The tool assists in measuring proper "dimensions of cuts to be made in timber to accomplish desired construction" (lines 19-20).
Date:
September 26, 1911
Creator:
Whitlock, John N.
System:
The Portal to Texas History
Cultivator-Disk Journal.
Patent for a cultivator disk journal, which is more efficient than previous models.
Date:
January 17, 1911
Creator:
Doyle, Edward Silas
System:
The Portal to Texas History
Safety-Brake for Elevators
Patent for lateral pawls to brake the elevator in the event of a cable brake.
Date:
March 10, 1911
Creator:
Mounts, Edison J.
System:
The Portal to Texas History
Display Rack
Patent for a display rack. Illustrations included.
Date:
January 31, 1911
Creator:
Hendrix, Julius M.
System:
The Portal to Texas History