• 101. Simplex Valve and Meter Company, Brisbane and Peacock instruments, May 1932 

        Creator(s):Peacock, Frank E., author; Parshall, Ralph L. (Ralph Leroy), 1881-1959, author
        Format:blueprints (reprographic copies); correspondence
        Plans for the Parshall Meter, also called an acre-foot integrating instrument, used to determine total discharge through the Parshall flume. Folder also includes a letter from Frank E. Peacock of Brisbane and Company, ...