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Feed-Trough (open access)

Feed-Trough

Patent for feed trough. This is an improvement to the feed trough which already exists. This trough is "cylindrical in form" and allows for easier and cleaner access for those tending to the animals.
Date: November 24, 1914
Creator: Fechner, Albert H.
System: The Portal to Texas History
Improvement in Combining Bitumen and Clay. (open access)

Improvement in Combining Bitumen and Clay.

Patent for a method of combining bitumen, water, and clay for such purposes as plastering.
Date: September 24, 1872
Creator: Lea, Pryor
System: The Portal to Texas History