THE FLOW OF SOLIDS. 241 
Fic. 3.—-Part of testing machine. 
EXPERIMENTS. 
With the above apparatus, used as described, the following tests were 
made: 
FIRST TEST. 
A paper roll containing 1.557 pounds “ec. p. granulated lead” was 
placed in the hole F, the gas-checks and pins were inserted, the holder 
halves clamped together, and the pressure was slowly applied; the 
amount of compression was measured iti the distance to which IZ & had 
H. Mis. 334, pt. 1 16 
