THE 
SCIENTIFIC. TRANSACTIONS 
Mone i DUBLIN SOCIETY. 
VOLUME VII.—(SERIES II.) 
IL 
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.R.S., 
Hfonorary Fellow of King’s College, London ; Professor of Chemistry, Royal College 
of Science, Dublin. 
(PLares XXIIL, XXIV., anp XXYV.) 
DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 
WILLIAMS AND NORGATE, 
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PRINTED AT THE UNIVERSITY PRESS, BY PONSONBY AND WELDRICK. 
1901. 
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