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External Environmental Radiation Measurements in the United States
Report regarding ion chamber measurements made of the external environmental radiation in various location in the United States during the summer of 1957.
Date:
March 11, 1958
Creator:
Solon, Leonard R.; Lowder, Wayne M.; Zila, Albert; LeVine, H. D.; Blatz, Hanson & Eisenbud, Merril
Object Type:
Report
System:
The UNT Digital Library
Valve-Controlling Mechanism for Train-Air-Brake Systems
Patent for a valve controlling mechanism for train air brake systems that can be used when a car derails.
Date:
June 11, 1912
Creator:
Strader, Perry T.
Object Type:
Patent
System:
The Portal to Texas History
Grab for Pump and Drill Rods.
Patent for a grabbing device for pump and drill rods in wells to lift them out of the well.
Date:
May 11, 1909
Creator:
Law, Eddie P.
Object Type:
Patent
System:
The Portal to Texas History
Egg Beater
Patent for an egg beater. Illustration included.
Date:
January 11, 1910
Creator:
Nichols, Charles A.
Object Type:
Patent
System:
The Portal to Texas History