A Decexxial Recokd 137 



ausi^ices continued throughout the war. A special board of the navy 

 was formed to deal with anti-submarine devices, and under their direc- 

 tion rapid experiments developed, with the training of pliysicists and 

 the installation of devices. 



I have a few slides illustrating this work which we will go through 

 and I will attempt to describe, Avithout going into technical detail, some 

 of the features of the work. 



(The remainder of ]Mr. ^Jason's siDcech was descriptive of the 

 slides.) 



