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Improvement in Carriage-Axles.
Patent for improvements to carriage axles which include the addition of a sleeve, bearing, and linch-pin device.
Date:
June 13, 1871
Creator:
Wagner, Ernest Friedrich
System:
The Portal to Texas History
Improvement in Elevators.
Patent for improvements in elevators, for lifting heavy objects. It includes a description and illustration.
Date:
June 13, 1871
Creator:
Bishop, Josiah
System:
The Portal to Texas History