Harvester Bag Carrier (open access)

Harvester Bag Carrier

Patent for improvements made to harvester bag carriers so a product does not drag the ground and provides ease of transport.
Date: December 29, 1914
Creator: Schertz, Arthur M.
System: The Portal to Texas History
Automatic Heat-Regulator for Incubators. (open access)

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