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Angle Cock Device
Patent for "stop cocks for controlling the flow of fluids and more particularly to what are known as angle cocks for use in train pipes of air brake and other fluid pressure systems upon railway cars" (lines 8-13) including illustrations.
Date:
March 9, 1915
Creator:
Ellwood, Thomas B.
System:
The Portal to Texas History
Valve Mechanism For Steam Engines
Patent for useful improvements to the valve mechanism for steam engines. The invention allows an improved means for actuating the slide valve without the use of eccentrics. The valve can also be operated into closed positions at various degrees, and also to reverse the direction of travel of the valve.
Date:
June 9, 1914
Creator:
Wright, Ed W.
System:
The Portal to Texas History
Improvement in Grinding-Mills
Patent for an improvement in grinding-mills, combining the operative mechanism with spindles - in which the both the grinding stones obtain relative surface speeds only half the actual speed of the stones.
Date:
May 9, 1871
Creator:
Hensley, Henry
System:
The Portal to Texas History