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Electrolytic Cell
Patent for an improved electrolytic cell that automatically maintains its predetermined amount of liquid.
Date:
November 20, 1920
Creator:
Walker, Thomas Bailey
System:
The Portal to Texas History
Power Attachment for Treadle Machines.
Patent for a new and improved attachment for treadle machines. This design "consist[s] of the frame provided with the bearings and adapted to support the machine to be driven, the shaft journaled in the said bearings and provided with the arms, the roller journaled between the outer ends of the said arms, and the pulley secured on the said shaft" (lines 85-92).
Date:
November 20, 1888
Creator:
Von Boeckmann, Eugene
System:
The Portal to Texas History