157 



Table of Pressures Corresponding to Given Heads 



of Water. (Trautwine.) 



Water at maximum densitj. 62 425 lb. per cu. ft.=l gram per 

 cu. ft. centimeter, corresponding to a temperature of 4 Centi- 

 grade- 39. 2 F. 



Pressure in lb. per sq. in.= 0.433507 X head in ft. 

 ft.=62.425 X 



