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Machine for Pressing Shingles and Slabs and The Like
Patent for a machine designed for manufacturing shingles and other building material. Illustrations included.
Date:
July 26, 1910
Creator:
Baade, John
System:
The Portal to Texas History
Rock Drill.
Patent for a new and improved rock-drill. This design "is to construct a simple and efficient rock-drill in which the forward feeding and rotating of the drill are accomplished automatically" (lines 15-18). It consists in "the drill-rod, a tappet-plate placed loosely on the drill-rod, clutch mechanism connected with the tappet-plate for engaging the drill-rod, a spring for impelling the drill-rod, a cam provided with conical ends for lifting the tappet-plate, and the guide" (lines 20-26).
Date:
July 26, 1892
Creator:
Belt, Perley P.
System:
The Portal to Texas History
Cultivator
Patent for a cultivator. Illustrations included.
Date:
July 26, 1910
Creator:
Divin, Frank
System:
The Portal to Texas History