THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. XV. (N.S.), No. 27. JUNE, 1918. 



THE ELECTRICAL RESISTANCE OF PORCELAIN 

 AT DIFFERENT TEMPERATURES. 



BY 



R. G. ALLEN, B.Sc, Lond. ; A.R.C.Sc.I 



ASSISTANT TO THE PROFESSOR OF APPLIED PHYSICS, ROYAL COLLEGE OF 



IRELAND, DUBLIN. 



[COMMUNICATED BY PROFESSOR WILLIAM BROWN.] 



[A ufhors alone are responsible for all opinions expressed in Iheir Communications-^ 



DUBLIN : 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY, 



LEINSTER HOUSE, DUBLIN. 



WILLIAMS AND NORGATE, 



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



1918. 



Price One Shilling. 



