THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. XV. (U.S.), No. 20. APRIL, 1917. 



THE CHANGE IN YOUNG'S MODULUS OF NICKEL 

 WITH MAGNETIC FIELDS. 



insist 



\ 



m I 5 AUGl 31919 



\ At A> 



WILLIAM BROWN, B.Sc, 



PROFESSOR OF APPLIED PHYSICS, ROYAL COLLEGE OF SCIENCE FOK IRELAND, DUBLIN. 



[A ufhors alone are responsible for all opinions expressed in their Communications-] 



DUBLIN: 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY, 



LEINSTER HOUSE, DUBLIN. 



WILLIAMS AND NORGATE, 



14, HENRIETTA STREET, COVENT GARDEN, LONDON, W.C. 



1917. 



Price Sixpence. 



