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Air-Brake Mechanism.
Patent for "a new and useful air-brake mechanisms in relation to a pressure controller and distributer designed to perform the several independent and joint functions of a triple valve, a pressure-retaining valve, and a pressure relief or reducing valve."
Date:
May 29, 1900
Creator:
Dillander, John
System:
The Portal to Texas History
Tongue Bar Adjusting Mechanism.
Patent for "a new and useful tongue-bar-adjusting mechanism for piano" (line 2) including instructions and illustrations.
Date:
May 15, 1900
Creator:
Moyer, Jesse Hechler
System:
The Portal to Texas History