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Switch-Operating Mechanism
Patent for a information regards to improvements in switch operating mechanism.
Date:
September 18, 1906
Creator:
Murphy, Edward C.
System:
The Portal to Texas History
Churn
Patent for a churn. Illustration included.
Date:
September 12, 1905
Creator:
McGregor, Montague M. & Williams, James H.
System:
The Portal to Texas History
Cotton-Thinner.
Patent for a machine that thins cotton fibers.
Date:
September 12, 1899
Creator:
Billingsley, William
System:
The Portal to Texas History