[September, 1901.] 



THE 



SCIENTIFIC TRANSACTIONS 



ROYAL DUBLIN SOCIETY, 



VOLUME VII.— (SERIES II.) 



XI. 



PHOTOGRAPHS OF SPARK SPECTRA FROM THE LARGE ROWLAND 

 SPECTROMETER IN THE ROYAL TJNIVERSITT 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 NORGATE, 



14, HENRIETTA STREET, COVENT GARDEN, LONDON ; 



20, SOUTH FREDERICK STREET, EDINBURGH: and 7, BROAD STREET, OXFORD. 



PEINTED AT THE UNIVERSITY PEESS, BY PONSONBY AND WELDRICK. 



1901. 



