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Apparatus for Extracting Oils
Patent for a new and useful improvement "in a novel process and combination of devices or apparatus for extracting the oil from cotton seeds and other oil bearing seeds" (lines 8-12). Includes instructions and illustrations.
Date:
December 14, 1886
Creator:
Baumgarten, Christian
System:
The Portal to Texas History
Harrow.
Patent for a harrow that is easily adjustable to different situations.
Date:
December 14, 1909
Creator:
Baumgarten, Johan Christian
System:
The Portal to Texas History