Bu!. 376, U. S. Dept. of Agriculture. 



Plate VII. 



Experimenter , year and reference numbers. 



Adarr 



and HosKins 



I 



Basic ob3erv-afi^7^i~fbFvVi||iarn3-Ha^coefYicientof 120 anT'Morit^ and 5cobey tbrmulasj also assigned weights fo71iffi?r 



/rC.Scoiey. 



CHART SHOWING DEGREE OF CONFORMITY OF OBSERVED VELOCITIES OF WATER IN WOOD-STAVE PIPES TO CALCULATED VELOCITIES FOR GIVEN LoSS OF HEAD, BY SCOBEY, WiLLIAMS-HAZEN (Cw=120), MoRITZ, TUTTON, AND WEISBACH FORMULAS. 



