Resource Type

Month

Automatic Air-Brake Coupling. (open access)

Automatic Air-Brake Coupling.

Patent for "coupling devices for connecting the air-brake hose of railway-cars" (lines 9-10) automatically, including illustrations.
Date: March 20, 1906
Creator: Simecek, Vaclav
System: The Portal to Texas History
Boiler Feeder Regulator. (open access)

Boiler Feeder Regulator.

Patent for a new and improved regulator for boiler feeders. This design "consists in certain novel details of construction, arrangement, and operation whereby a superior machine is produced for the purpose of regulating and supplying boilers with water, keeping the water at a uniform height, preventing explosions from low water, and automatically removing sediment, impurities, and foam as fast as it accumulates" (lines 14-22).
Date: March 20, 1888
Creator: Riedel, Gustav Adolph
System: The Portal to Texas History