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Sheet-Placing Machine.
Patent for improvements in sheet-placing machines for pushing and pulling devices to their correct orientation of oil tanks (lines 10-13) roof construction without the possibility of injury to mechanics.
Date:
March 13, 1923
Creator:
Brock, Verita Belle
System:
The Portal to Texas History
Brick-Kiln.
Patent for an improvement for continuous and semi-continuous kilns, to decrease resulting moisture "without materially lessening their fuel economy" (page 1, lines 50-51), including illustrations.
Date:
July 13, 1915
Creator:
Montrief, James V.
System:
The Portal to Texas History
Seed Planter.
Patent for a new and improved seed planter. This design "relates to machines for dropping or planting cotton, corn, or other seed, and has for its object to provide a device embodying simplicity, convenience, cheapness, and efficiency. To this end it consists in certain improvements in construction and operation of the same" (lines 12-18).
Date:
March 13, 1883
Creator:
Lowder, John Ellis
System:
The Portal to Texas History
Sash Fastener.
Patent for a new and improved sash-fastener. This design consists "[t]he combination, [of] an angle-bracket having an opening produced in its horizontal member wider at its top than at its bottom, and an essentially yoke-shaped bar passed through the said opening, [and] a thumb-lever hinged in the vertical member of the bracket, extending over and parallel with the horizontal member of said bracket, and a lip integral with the under edge of the lever, concavo-convex in cross-section, and capable of entering the opening in the bracket and contacting with . . . the yoke-like bar" (lines 7-19).
Date:
August 13, 1889
Creator:
Miller, Charles H. & McDonald, Samuel A.
System:
The Portal to Texas History
Calculator.
Patent for a calculator "in which a bar having a series of numbers thereon slides in a frame or base also provided with a series of numbers" (lines 10-12). It is meant for quickly adding numbers.
Date:
October 13, 1896
Creator:
Copeland, Wesley Albert & Roberts, Cyrus
System:
The Portal to Texas History