Detergent Device. (open access)

Detergent Device.

Patent for a washing machine (detergent device) that contains a tank that can hold hand and cold water. This means that the device can be set to have either cold or hot water.
Date: May 8, 1917
Creator: Robinson, Olinthus B.
System: The Portal to Texas History
Corn or Cotton Planter (open access)

Corn or Cotton Planter

Patent for a corn and cotton planter. Illustrations included.
Date: May 17, 1910
Creator: Wilks, Chance
System: The Portal to Texas History