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Automatic Heat-Regulator for Incubators.
Patent for a device that allows for automatic temperature regulation in incubators. It operates by extinguishing and lighting the incubator's heating lamp wick to maintain a predetermined temperature.
Date:
March 29, 1921
Creator:
Wiedner, Charles
System:
The Portal to Texas History
Stub-Axle Adjustment Device.
Patent for useful improvements for Stub-Axle Adjustment Devices. This device will allow for the stub-axle to be efficiently adjusted in both a vertical plane and a transverse plane with respect to the machine.
Date:
November 8, 1921
Creator:
Kopplin, Otto E.
System:
The Portal to Texas History