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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