Resource Type
Counties
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Spoke-Tightener
Patent for a spoke tightener that reduces the strain on the felly.
Date:
June 4, 1912
Creator:
Norton, John W.
System:
The Portal to Texas History
Rail Tie and Fastener.
Patent for a rail tie and fastener made of metal and plastic.
Date:
April 4, 1911
Creator:
Crawford, James E. & Hardy, Benjamin P.
System:
The Portal to Texas History