1916] on Polarized Light and its Applications to Engineering 593 



problems which arise in the testing of materials, shows that some- 

 thing may possibly be gained by an examination of familiar methods^ 

 of testing. 



14O0 



UJ 

 CL 



1200 



1000 



10 



Among the cases which have been examined, is that of the usual 

 shear test of materials, and it may be of interest to give an indication 

 of some of the immediately obvious features. 



YoL. XXI. (No. 110) 



2 R 



