[Marcu 22, 1907. | 
THE 
SCIENTIFIC TRANSACTIONS 
OF THE 
roe MeELIN SOCIETY - 
VOLUME [X.—(SERIES IL) 
IVE 
THE ABSORPTION OF 6 RADIUM RAYS BY MATTER. 
BY 
J. A. McCLELLAND, M.A., D.Sc., 
Professor of Experimental Physics, University College, Dublin; 
AND 
Ho, dO, JEUACIOIEIN, Ila, IBISG. 
DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY, 
LEINSTER HOUSE, DUBLIN. 
WILLIAMS AND NORGATEHE, 
14, HENRIETTA STREET, COVENT GARDEN, LONDON, W.C. 
PRINTED AT THE UNIVERSITY PRESS, BY PONSONBY AND GIBBS. 
1907. 
Wig 
oo 
. niall inst); 
A\\sont ue 
ot 
MAY 10 1907 | 
Price One Shilling. 
No 4: A LA hoon 
“onal Mus’ 
