Resource Type
Counties
3 Matching Results
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Wrench.
Patent for a wrench which "may be efficiently employed in places which are inaccessible to the ordinary wrench."
Date:
August 24, 1915
Creator:
Culbertson, Charles P.
System:
The Portal to Texas History
Threshing-Machine.
Patent for a harvester in a threshing machine, which can be put at different levels from the ground.
Date:
August 31, 1909
Creator:
Haynes, Thomas S.
System:
The Portal to Texas History
Drop Propeller for Boats
Patent for a drop propeller for boats. This design is to allow boats to easily cross reefs. Illustration included.
Date:
August 17, 1909
Creator:
Stribling, Franklin E.
System:
The Portal to Texas History