(Juny, 1901.] 
THE 
SCIENTIFIC TRANSACTIONS 
OF THE 
IRON 25 IDIUISIGIOIN SOC ih a We 
VOLUME VII.—(SERIES IT.) 
IX. 
ON THE CONDITIONS OF EQUILIBRIUM OF DELIQUESCENT AND 
HYGROSCOPIC SALTS OF COPPER, COBALT, AND NICKEL, WITH 
RESPECT TO ATMOSPHERIC MOISTURE. By W. N. HARTLEY, F.BS., 
Honorary Fellow of King’s College, London ; Professor of Chemistry, Royal College 
of Science, Dublin. 
(PratEs XXIII, XXIV., ano XXYV.) 
DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 
WILLIAMS AND NORGATE, 
14, HENRIETTA STREET, COVENT GARDEN, LONDON; 
20, SOUTH FREDERICK STREET, EDINBURGH: anv 7, BROAD STREET, OXFORD. 
PRINTED AT THE UNIVERSITY PRESS, BY PONSONBY AND WELDRICK. 
1901. 
