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Improvement in Horse-Powers.
Patent for a horse-power with a master-wheel, communicating, through a pinion, crank, and pitman.
Date:
April 18, 1876
Creator:
Andrews, Henry K.
System:
The Portal to Texas History
Non-Freezing Connection for Tanks
Patent for a valve for water tanks that prevents the water from freezing by taking in water from the central portion. Illustrations included.
Date:
October 18, 1910
Creator:
Miller, Charles Hector & Bunnell, Walter Alex
System:
The Portal to Texas History