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Locomotive Valve Gear.
Patent for a new and improved valve-gear. This design "is especially designed for locomotive-engines; and the invention consists of a combination of rockers, shafts, arms, levers, links, and connecting-rods worked from the cross-head of the locomotive exclusively, and so arranged as to give the valve a correct motion" (lines 7-13).
Date:
December 8, 1885
Creator:
Lewis, Wallace James
System:
The Portal to Texas History
Car-Door.
Patent for improvements in car doors. These improvements make the doors fire and water proof and allow the door to be locked. Includes instructions and illustrations.
Date:
January 23, 1891
Creator:
Moore, Francis A.
System:
The Portal to Texas History