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Waterproof Car-Door.

Description: Patent for a freight car door of "strong, durable, and inexpensive construction which will be water and air tight, and which will be practically indestructible in case of a wreck" (lines 17-20) including illustrations.
Date: January 1, 1918
Creator: Atkinson, George C.
Partner: UNT Libraries Government Documents Department

Pencil-Lighting Attachment.

Description: Patent for improvement in pencil-lighting attachments. This is meant to combine an electric lamp with a pencil, pen, etc. within a mounted casing so that the surface being written on may be lighted.
Date: October 1, 1918
Creator: Bennett, Jerrell
Partner: UNT Libraries Government Documents Department

Tube-Mill.

Description: Patent for improvements in tube-mills (employed for ore and other substances) which is meant to help support and drive rotating drums or cylinders of the mills allowing for more full appearances.
Date: October 1, 1918
Creator: Bergman, Julius G.
Partner: UNT Libraries Government Documents Department
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