THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. XV. (U.S.), No. 29. AUGUST, 1918. 



THE INSULATING PROPERTIES OF ERINOID. 



BY 



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



ASSISTANT TO THE PROFESSOR OF APPLIED PHYSICS IN THE ROYAL COLLEGE OF SCIENCE 



FOR IRELAND, DUBLIN. 



[COMMUNICATED BY PROFESSOR WILLIAM BROWN.] 



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



DUBLIN : 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY, 

 LKINSTER. HOUSE, DUBLIN. 



WILLIAMS AND NORGATE, 

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



1918. 



Price One Shilling. 



