[Septembee, 1901.] 



THE 



SCIENTIFIC TRANSACTIONS 



KOYAL DUBLIN SOCIETY. 



VOLUME VII.— (SERIES 11.) 



XL 



PHOTOGRAPHS OF SPARK SPECTRA FROM THE LARGE ROWLAND 

 SPECTROMETER IN THE ROYAL UNIVERSITY OF IRELAND. 

 PART I. THE ULTRA-VIOLET SPARK SPECTRA OF IRON, COBALT, 

 NICKEL, RUTHENIUM, RHODIUM, PALLADIUM, OSMIUM, IRIDIUM, 

 PLATINUM, POTASSIUM CHROMATE, POTASSIUM PERMANGANATE, 

 AND GOLD. By W. E. ADENEY, D.Sc, A.R.C.Sc.L, Curator and Examiner 

 in Chemistry in the Royal University of Ireland, Dublin. 



(Plates XXVII. and XXVIII.) 



DUBLIN: 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 



WILLIAMS AND NOEGATE, 



U, HENEIETTA STEEET, COVENT GAEDEN, LONDON ; 



20, SOUTH FEEDEEICK STEEET, EDINBUEGH; akd 7, BEOAD STEEET, OXFOED. 



PEINTED AT THE UNIVEESITY PEESS, EY PONSONBT AlfD WELDEICK 



1901. 



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