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Fan-Actuating Mechanism
Patent for a fan actuating mechanism. Attempts to improve upon fans by using a spring to provide maximum speed at minimum cost.
Date:
April 6, 1915
Creator:
Everitt, James H.
System:
The Portal to Texas History
Cotton Chopper, Scraper, and Cultivator
Patent for improvements so that the "choppers may be raised, in order to leave standing such of the growth of the cotton as is necessary, or while turning corners; third, in means hereinafter to be described, by which the depth at which the scrapers and choppers run into the ground maybe adjusted" (lines 16-22).
Date:
May 6, 1890
Creator:
Ellis, David P,
System:
The Portal to Texas History