EXERCISE. A-8. 



TO DETERMINE THE PORE SPACE 

 IN SOILS. 



Equipment: Dry samples of sandy soil and clay soil; 

 graduated bottle or cylinder; a quart can or milk bottle. 



Method: (1) Fill the can or bottle to within one-half 

 inch of the top with the dry sand and compact by tapping 



. clc.i 

 ii5'c.; 



i -=^100| 



j -^HIM 

 (50S- : 



|?50=- ji 

 950-g- : 



JJl 



Fig. 8. — A Graduated Bottle or Cylinder is a Necessary Part of the 



Laboratory Equipment. 



the can lightly on the desk top three times; (2) fill the 

 graduated bottle or cylinder to the top mark with water; 

 (3) carefully pour the water from the graduated vessel onto 

 the top of the soil in the can and continue to do so until 

 the water stands level with the top of the sand; (4) record 



17 



