THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. XIII. (I.S.), lo. 32. EEEEUAM, 1913. 



A REFINED METHOD OF OBTAINING 

 SUBLIMATES. 



BY 



ARNOLD L. FLETCHER, M.A., B.E., 



EESEAECH ASSISTANT TO THE PROFESSOB OF GEOLOGY AND MINEEALOGY IN THE 



UNIVEESITY OF DUBLIN. 



I A uthors alone are responsible for all opinions expressed in their Communioafions.^ 



DUBLIN : 



PUBLISHED BY THE KOYAL DUBLIN SOCIETY, 



LEINSTER HOUSE, DUBLIN. 



WILLIAMS AND NOEGATE, 



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



1913. 



Price Sixpence. 



JUL 7 1913 



A'- 



^Or.,.\ X'-S^^^' 



