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Improvement in Cotton-Harvesters. (open access)

Improvement in Cotton-Harvesters.

Patent for a new and improved cotton-harvesting machine, including illustrations.
Date: January 26, 1875
Creator: Miller, La Fayette Kohler
Object Type: Patent
System: The Portal to Texas History
Improvement in Pile-Drivers. (open access)

Improvement in Pile-Drivers.

Patent for an improved pile-driver device which automates the release of the pile-driver hammer as well as including a perpendicular device which advances the device longitudinally as the work progresses.
Date: January 22, 1875
Creator: McDermott, Martin
Object Type: Patent
System: The Portal to Texas History