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Machine for Cutting Key-Seats in Shafting
Patent for "cutting key-seats in shafting machine. It provides a portable key-seat-cutting especially adapted to operate upon the driving shafts of locomotives in key-seating eccentrics thereon." (lines 7-13)
Date:
August 21, 1906
Creator:
Matheus, Karl
System:
The Portal to Texas History
Wrench.
Patent for a new and improved wrench. This design is "especially adapted for manipulating pipe-joints, though applicable, also, for use in manipulating nuts, &c.; and it consists in the [novel] detailed construction and combination of operating parts" (lines 24-28).
Date:
September 21, 1880
Creator:
Weir, Duncan
System:
The Portal to Texas History
Improvement in Cotton and Hay Presses.
Patent for improvements in baling-presses. It consists of movable followers and a sliding drum that has a ratchet secured to a clutch and a shaft. It includes illustrations.
Date:
January 21, 1879
Creator:
Smithson, Richard T.
System:
The Portal to Texas History
Piano Action
Patent for piano actions. This invention provides a connection between the bridle strap and the hammer butt of a piano action. Illustration included.
Date:
May 21, 1907
Creator:
Deutsch, John H.
System:
The Portal to Texas History