Resource Type
Counties
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Spring-wheel.
Patent for an enhanced spring-wheel featuring novel adjustments to the tread and assembly of side plates, includes illustrations.
Date:
September 2, 1919
Creator:
Thomas, James Alfored
System:
The Portal to Texas History
Sash Balance.
Patent for an improved window sash balance, including instructions and illustrations.
Date:
September 8, 1914
Creator:
Jones, John T.
System:
The Portal to Texas History