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Paper-Guide.

Description: Patent for a Paper-Guide that can be folded, when it is not in service position, to allow it to be covered by the typewriting machine it is attached to. The patent includes illustrations.
Date: July 22, 1913
Creator: Davis, Alice Urilla
Partner: UNT Libraries Government Documents Department

Piston

Description: The Patent for an improved piston to be used in connection with the cylinders of air brakes. The improvement involves making the removal and replacement of worn out packing material easier.
Date: July 22, 1913
Creator: King, Herbert G.
Partner: UNT Libraries Government Documents Department
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