[July, 1901.] 



THE 



SCIENTIFIC TRANSACTIONS 



BOYAL DUBLIN SOCIETY, 



VOLUME VIL— (SERIES II.) 



IX. 



ON THE CONDITIONS OF EQUILIBRIUM OF DELIQUESCENT AND 

 HYGIIOSCOPIO SALTS OF COPPER, COBALT, AND NICKEL, WITH 

 PtESPECT TO ATMOSPHERIC MOISTURE. By W. N. HARTLEY, F.R.S., 

 Honorary Fellow of King's College, Loudon ; Professor of Cliomistiy, Royal College 

 of Science, Dublin. 



(Plates XXIIL, XXIV., and XXV.) 



DUBLIN: 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 



WILLIAMS AND NOEGATE, 



14, HENRIETTA STEEET, COVENT GAEDEN, LONDON ; 



20, SOUTH FEEDEEICK STEEET, EDINBUEGH: and 7, BEOAD STEEET, OXFdED. 



PEINTED AT THE TJIs^lVEKSITT TEESS, BY POIv'SO^'BY AND WELDRICK. 



1901. 



Price One Shilling. 



