UNIVBRSIXY OF VIRGINIA PUBLICATIONS 



BULLETIN 



PHILOSOPHICAL SOCIETY 



Soieniifio Series, Vol. I. No. 5, pp. 127-186; Jone, 1910 



On the Flow of Water in Pipes, Conduits and 

 Open Channels 



AND 



The Losses of Energy Due to Its Motion 



BY 

 WILLIAM H. ECHOLS 



UNIVERSITY OF VIRGINIA 



CharloHesvUIe, Vintinia, U. S. A. 



