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Steam Engine.
Patent for a new and improved steam-engine. This design "relates to certain improvements in compound steam-engines; and it has for its objects to lessen friction and provide for the effective working of such engines" (lines 8-11).
Date:
September 23, 1884
Creator:
Catlin, Eli
System:
The Portal to Texas History
Harrow
Patent for a harrow to be used with a cultivator. Illustrations included.
Date:
September 5, 1911
Creator:
Wolfe, James A.
System:
The Portal to Texas History