Clemens Herschel (March 23, 1842 – March 1, 1930) was an American hydraulic engineer.
His career extended from about 1860 to 1930, and he is best known for developing the Venturi meter, which was the first large-scale, accurate device for measuring water flow.
Author: Walter G. Kent Source: Kent, Walter G. (1927). An Appreciation of Two Great Works in Hydraulics, Giovanni Battista Venturi, born 1746, Clemens Herschel, born 1842. London:Blades, East & Blades. License: PD US