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Colter.
Patent for the instructions on of how to construct a Colter including illustrations.
Date:
April 25, 1916
Creator:
James Zedrick Elder
System:
The Portal to Texas History
Liquid Cooler.
Patent for a new and improved liquid cooler. This design "provide[s] an apparatus by means of which a variety of liquids may be simultaneously cooled as required for use as beverages, and by which the glasses or drinking vessels may be at the same time cooled and protected from dust and insects" (lines 14-20).
Date:
January 25, 1881
Creator:
Capps, Matterson F.
System:
The Portal to Texas History
Improvement in Devices for Teaching Musical Transposition.
Patent for an improvement in devices for teaching musical transposition. The invention in question is composed of a keyboard "with sliding instruments and scales" (1).
Date:
April 25, 1876
Creator:
Allison, Thomas J.
System:
The Portal to Texas History