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Improvement in Brick-Machines.
Patent for an improvement in brick-machines by which a new combination of construction materials is contrived.
Date:
July 31, 1876
Creator:
Michel, Ferdinand
System:
The Portal to Texas History
Improvement in Traction-Engines.
Patent for a traction engine "for running on common roads and rails, and to be used for drawing plows, and as a motive power generally" (lines 8-10) including illustrations.
Date:
July 31, 1877
Creator:
Walker, Leander
System:
The Portal to Texas History