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Notching Means for Wire-Winding Machines.

Description: Patent for notching means for wire winding machines, which evenly notches well screens with a chisel.
Date: December 7, 1909
Creator: Wergin, William Lewis
Partner: UNT Libraries Government Documents Department

Combined Tie-Plate and Rail-Anticreeper.

Description: Patent for a combined railroad tie and rail anti-creeping device, which prevents the rails from spreading.
Date: December 7, 1909
Creator: Clarke, Marcus S.
Partner: UNT Libraries Government Documents Department
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