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Spring-Motor
Patent for a spring-motor. Illustration included.
Date:
April 12, 1910
Creator:
Von Hohenstein, Charles H.
System:
The Portal to Texas History
Metallic Railway-Tie.
Patent for a metallic railway tie, which can expand and hold the track in place.
Date:
April 5, 1910
Creator:
Allsbrooks, William Jefferson
System:
The Portal to Texas History