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Dredging Scraper. (open access)

Dredging Scraper.

Patent for a new and improved dredging-scraper. This design "has for its object the production of a marine plow which shall serve to raise and remove obstructions and accumulations from the beds or channels of rivers, bays, harbors, and other water-courses; and the invention consists in a device for this purpose of novel construction . . . The plow, which is to be drawn over the bed of the water-course to be cleared—as, for instance, by drag chain or cable attached to a steamboat—operates to raise a few inches in depth of the deposit each time it passes over the bed or bottom of the water-course" (lines 9-22).
Date: December 10, 1889
Creator: Coult, Joseph C.
System: The Portal to Texas History
Cotton-Spacer. (open access)

Cotton-Spacer.

Patent for a device that efficiently and quickly travels over cotton-drills, spacing the stands uniformly apart and covers up any grass or weeds around the stands, including illustrations.
Date: November 10, 1891
Creator: Totty, William
System: The Portal to Texas History