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Lubricator
Patent for a lubricator for locomotives and steam engines. Illustrations included.
Date:
November 22, 1910
Creator:
Coppers, John Andrew & Booth, Eldredge Early
System:
The Portal to Texas History
Railway-Switch
Patent for a railway switch.
Date:
February 22, 1910
Creator:
Shellenberger, Samuel L.
System:
The Portal to Texas History