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APPARATUS FOR CONTINUOUSLY DISTILLING CRUDE OIL AND OTHER SUBSTANCES (open access)

APPARATUS FOR CONTINUOUSLY DISTILLING CRUDE OIL AND OTHER SUBSTANCES

Patent for promoting the distillation of crude oil and other substances, separating the different parts of oil and impurities based on their weight.
Date: March 3, 1914
Creator: Forward, Chauncey B.
System: The Portal to Texas History
Improvement in Policemen's Batons. (open access)

Improvement in Policemen's Batons.

Patent for an improved policemen's baton made of flexible material, such as india-rubber or gutta-percha, and sometimes an interior metal stem. Using a flexible material makes the baton elastic enough so that no serious injury can be caused, yet it is still effective. Illustration included.
Date: October 14, 1873
Creator: Beery, Simon & McDonald, John W.
System: The Portal to Texas History