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Classifier and Separator.
Patent for classifiers and separators used in mining to separate solids and liquids in the tank. It allows for easy removal and replacement of parts as they wear.
Date:
March 19, 1918
Creator:
Allen, Charles
System:
The Portal to Texas History
Car Brake.
Patent for a new and improved car-brake. This design consists in "[t]he combination, with the transverse beam of the truck, of the levers pivoted to the under side of the same, the brake-shoes, the pitmen connecting the brake-shoes with the levers, the straps secured to the beam, the retaining-rods having their ends pivoted to the pitmen and the straps, and devices for operating the levers" (lines 94-101).
Date:
March 19, 1889
Creator:
Mayer, Charles
System:
The Portal to Texas History