627 W Williams, Gardner Stewart, 1866-1931 Hydraulic tables; the elements of gagings and the friction of water flowing in oipes, aqueducts, sewers, etc., as determined by the Hazen and Williams formula and the flow of water over sharp-edged and irregular weirs, and the quantity diacharged as determined by Bazin's formula and experimental investigations upon large models, by Gardner S. William... and Allen Hazen 3d ed., rev. Total issue, seven thousand. New York, John Wiley .. sons, inc.; [etc., etc.] 1920 (Continúa ficha 2)