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Engraving-Machine

Description: Patent for improvements "in the peculiar construction and combination of [engraving machines]" (lines 10-11).
Date: November 19, 1889
Creator: Eberhardt, Theophilus Charles
Partner: UNT Libraries Government Documents Department

Device for Handling and Cleaning Seed-Cotton by Atmospheric Suction.

Description: Patent for a new device for handling and cleaning seeding cotton by atmospheric suction in which the cotton may be conveyed and cleaned without passing through the exhaust-fans, thereby avoiding danger of the machine being choked while in operation. (Lines 14-17) Illustration is included.
Date: May 19, 1891
Creator: Eberhardt, Theophilus Charles
Partner: UNT Libraries Government Documents Department

Attachment for Phonographs, &c.

Description: Patent for an attachment for phonographs to be used to have records play on a loop. Illustrations included.
Date: October 19, 1909
Creator: Perrenot, George F.
Partner: UNT Libraries Government Documents Department
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