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Improvement in Ground-Squirrel Exterminators.
Patent for an "improved apparatus by means of which ground-squirrels and gophers can be destroyed in their holes, conveniently and effectively, and at small expense" (para. 4). The mechanism works by gassing underground vermin with sulphuric fumes.
Date:
July 10, 1877
Creator:
Dreyer, Henry
System:
The Portal to Texas History
Seed Cotton Cleaner and Distributer.
Patent for a new and improved cotton cleaner and distributor. This design consists in "[t]he combination, with the cylinder and drum, of a shaft mounted in bearings on the frame and extending through the said cylinder and provided with blades of varying length, a fan located in the drum, a pipe leading tangentially out from said drum, said pipe having openings formed therein, and guides secured on said pipe over said openings, said guides having wire sides" (lines 46-54).
Date:
September 10, 1889
Creator:
Elliott, James W.
System:
The Portal to Texas History