56 SESSION OF THURSDAY AFTERNOON, DECEMBER 10. 1914. 



SECOND SESSION. 



Thursday Afternoon, December 10, 1914. 



Rear Admiral Washington L. Capps, acting as Chairman, called the meeting to order 

 at 2.15 o'clock. 



The Chairman : — The paper which was to have been the first of the afternoon session 

 requires the use of some lantern slides which have not yet arrived, so that the first paper to be 

 presented at this session will be No. 6, "The Expansion or Contraction of Dimensions and 

 the Effect upon Resistance," by Prof. Herbert C. Sadler. Paper No. 6 will be followed by 

 No. 7. 



Professor Sadler presented his paper. 



I 



