Bulletin No. 8, Division of Forestry 



Plate VIII. 



50 



RELATIVE MODULUS OF ELASTICITY IN LBS. PER SQ. IN. 



Fk;. 1. — Diagram showing the iiureaso iu the modulus of elasticity or tlie uiodiihis of stitluess, \\ ith decrease in 



tlie percentage of moisture. 



Fig. 2. — Diagram showing the decrease iu the rehative elastic resilience, with decrease in tlie jierceiitage of moistur 



