THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. XV. (U.S.), lo. 13. MAT, 1916. 



THE SUBSIDENCE OF TORSIONAL OSCILLA- 

 TIONS OF NICKEL AND IRON WIRES WHEN 

 SUBJECTED TO THE INFLUENCE OF TRANS- 

 VERSE MAGNETIC FIELDS UP TO 800 C.G.S. 



UNITS. 



BY /<£*" 



N0V1 



° NOV : 

 WILLIAM BROWN, B.Sc, V*,,. ^ 



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



\_A uthors alone are responsible lor all opinions expressed in theirCommunications-] 



DUBLIN : 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY, 



LEINSTER HOUSE, DUBLIN. 



WILLIAMS AND NORGATE, 



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



1916. 



Price Sixpence. 



