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Car-Coupling.
Patent for improvements in automatic car-couplers by providing "the means for automatically coupling cars without exposing the operator to the risk and danger of going between the cars when coupling,” (lines 12-15) includes illustration.
Date:
April 14, 1891
Creator:
Chandler, Richard
System:
The Portal to Texas History
Music-Holder.
Patent for an improved music-holder. The music-holder is comprised of a base adapted to be secured to a music rest with a standard pivoted on the base. The standard is fixed with a spring-pressed shaft in order to press the book to the music stand.
Date:
October 27, 1891
Creator:
French, Clarence E.
System:
The Portal to Texas History
Derrick.
Patent for improvements in derricks or machines for hoisting heavy objects, which can be easily erected and operated; this device “can be manipulated with ease and by which the article being elevated or lowered may be changed in position without moving the support.” (Lines 20-23) Illustration is included.
Date:
April 21, 1891
Creator:
Lindsey, William E.
System:
The Portal to Texas History