THE 



SCIENTIFIC PROCEEDINGS 



ROYAL DUBLIN SOCIETY. 



Vol. XV. (U.S.), No. 9. APRIL, 1916. 



THE SUBSIDENCE OF TORSIONAL OSCILLA- 

 TIONS OF NICKEL WIRES WHEN SUBJECTED 

 TO THE INFLUENCE OF TRANSVERSE 

 MAGNETIC FIELDS UP TO 200 C.G.S. UNITS. 



BY 



WILLIAM BROWN, B.Sc, 



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



\_A uthors alone are responsible for all opinions expressed in their Communications.} 



DUBLIN: 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 

 LEINSTER HOUSE, DUBLIN. 



WILLIAMS AND NOEGATE, 



14, HENRIETTA STREET, CO VENT GARDEN, LONDON, W.C. 



1916. 



Price Sixpence. 



