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Process for Refining and Purifying Oils. (open access)

Process for Refining and Purifying Oils.

Patent for "processes for purifying oils, especially petroleum, and has for its object the removal of impurities and the neutralization of acids, and the reduction of the cost of refining oil by simplifying the process and reducing the length of time usually required for completing the purification" (lines 9-16).
Date: September 15, 1910
Creator: Lasher, David F.
System: The Portal to Texas History
Sewer Connection. (open access)

Sewer Connection.

Patent for a sewer connection for houses, which can be turned on and off from the the main sewer system.
Date: November 1, 1910
Creator: McCorquodale, Wilmer E.
System: The Portal to Texas History