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Improvement in Road-Scrapers.
Patent for an improvement in road-scrapers which "consists in hanging the scoop to the carriage in such a manner that it may always be made to scrape in horizontal planes whether the carriage run on a level surface or on a hill side; and also in certain devices for holding the scoop suspended above the ground while moving from place to place." (Lines 9-16) Includes instructions and illustrations.
Date:
March 26, 1872
Creator:
Coy, Elihu E.
System:
The Portal to Texas History
Improvement in Coffee-Mills.
Patent for an improvement to upright coffee-mills, "whereby the bearings are always maintained in their true relative positions, while the strain on the two is made automatically counteracting, and each part of the shell firmly and effectually supported by the other." (Lines 10-14) Includes instructions and illustrations.
Date:
August 16, 1870
Creator:
Richer, Francois Charles
System:
The Portal to Texas History
Improvement in Cotton-Gin Hoppers.
Patent for improvement in cotton-gins, including illustrations.
Date:
August 5, 1879
Creator:
Horne, Edward Gideon
System:
The Portal to Texas History
Improvement in Cotton Scrapers, Choppers, and Cultivators.
Patent for "a new and useful Improvement in Combined Cotton Scraper, Chopper, and Cultivator" (lines 4-6) including illustrations.
Date:
November 2, 1875
Creator:
McClung, Richard L.
System:
The Portal to Texas History