Resource Type
Counties
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Railway-Signal
Patent for a railway signal that is activated when the wheels of a train pass over a switch. Illustrations included.
Date:
May 26, 1908
Creator:
Harvey, Albert Wadkins
System:
The Portal to Texas History
Combined Disk Harrow and Land-Roller
Patent for a vehicle that may be used as either a harrow or a roller. Illustrations included.
Date:
May 19, 1908
Creator:
Jackson, Lewis Livingston
System:
The Portal to Texas History