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Improvements in Processes of Refining Crude Cotton-Seed Oil

Description: Patent for a process to refine oil, specifically crude, cotton-seed oil, using caustic soda. Includes an explanation of how the process works.
Date: November 28, 1911
Creator: Chisholm, Jesse C.
Partner: UNT Libraries Government Documents Department

Improvement in Farm-Fences.

Description: Patent for "a new and useful improvements in Fences"
Date: November 28, 1876
Creator: Sullivan, J. L.
Partner: UNT Libraries Government Documents Department

Printer's Cabinet

Description: Patent for a printer's cabinet. Illustrations included.
Date: November 28, 1905
Creator: Dorsey, Henry
Partner: UNT Libraries Government Documents Department

Electric-Current Meter.

Description: Patent for an electric-current meter that measures "the amount of electricity passing over a given branch of derived or (if desired) line circuit, thereby indicating the amount of electricity used for the translating or other consuming devices in the circuit, having for its object the construction of an apparatus which will respond more accurately to the variations in the said currents and indicate more exactly upon a dial or dials provided for the purpose, the quantity of electricity which pas… more
Date: November 28, 1893
Creator: Mottram, William T.
Partner: UNT Libraries Government Documents Department

Electric Hairbrush

Description: Patent for an improved electric hairbrush having an insulated electrical heating element and separately charged electrically conductive metallic bristles. The hairbrush is designed to straighten hair and/or to electrically treat a user's hair and scalp with a low-voltage current. A device in the handle allows the user to regulate the heating of the element.
Date: November 28, 1922
Creator: Harvey, Birdie
Partner: UNT Libraries Government Documents Department
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