18 



AKT. 1:.'.— K. HONDA, S. SHIMIZü. AXD S. KUSAKABH : 



The values of-v^ are as follows 

 E 



TliLis, the modulus of elasticity considerably decreases in the 

 weak fields and increases in the strong. The field of no change 

 decreases as the load i.s increased. The cliange of depression also 

 increases with the load. In weak fields, the rate of decrease 

 diminishes as tlie load is increased ; in strong fields, however, 

 tlie contrary is the case. 



