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Metallic Railway-Tie.

Description: Patent for a metallic railway tie, which can expand and hold the track in place.
Date: April 5, 1910
Creator: Allsbrooks, William Jefferson
Partner: UNT Libraries Government Documents Department

Spring-Motor

Description: Patent for a spring-motor. Illustration included.
Date: April 12, 1910
Creator: Von Hohenstein, Charles H.
Partner: UNT Libraries Government Documents Department
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