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Angle Cock Device

Description: 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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Looking South on Washington Ave., Marshall, Texas

Description: Color tinted halftone postcard showing Washington Ave. in Marshall, Texas, looking south, with the courthouse in the distance at the end of the street. Streetcar tracks run down the center of the street. Printed on the top of the card in red ink is the title "Looking South on Washingon Ave., Marshall, Texas." The postmark on the back of the card is dated Oct 9, 1911. Printed along the left edge of the card is: "Published expressly for Duke & Ayres Co." The card is addressed to Miss Chloe Tenny,… more
Date: October 9, 1911
Creator: Van Norman, S. B.
Item Type: Refine your search to only Postcard
Partner: Harrison County Historical Museum

Valve Mechanism For Steam Engines

Description: 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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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