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Air-Pump
Patent for an automobile air pump that can be power driven from a car motor. This pump can be driven from the rear wheel of a car.
Date:
July 15, 1915
Creator:
Causey, Thomas S. & Kelley, Robert B.
System:
The Portal to Texas History
Process of Picking And Separating Cotton from Bolls.
Patent for a device to remove plant fiber from picked cotton (referred to as "burs" and "bolls"). The device makes the process of cleaning cotton faster and more efficient.
Date:
July 13, 1915
Creator:
Meier, John
System:
The Portal to Texas History
Differential Driving Mechanism.
Patent for a differential driving mechanism which allows axles to rotate at different speeds, includes illustrations.
Date:
July 6, 1915
Creator:
Lindsley, Berrien M.
System:
The Portal to Texas History