THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Tol. XIV. (I.S.), m. 21. MAT, 1914. 



NOTE ON THE CHANGE OF LENGTH IN 

 NICKEL WIRE DUE TO SMALL LONGITU- 

 DINAL LOADS AND LOW ALTERNATING 

 MAGNETIC FIELDS. 



WILLIAM BROWN, B.Sc, 



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



[/I ufhors alone are responsible for all opinions expressed in their Communications.^ 



DUBLIN : 



PUBLISHED BY THE ROYAL DUBLIN SOCl 

 LEINSTEPw HOUSE, DUBLIN. 

 WILLIAMS AND NORGATE, 

 t4, HENfiJETTA STREET, COVENT GARDEN, LONDON. W.C 



1914. 



Price Six2yence. 



