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SCIENTIFIC TRANSACTIONS 
OF THE 
move) DUBLIN SOCIHTY, 
VOLUME VII.—(SERIES IL.) 
1s 
RADIATING PHENOMENA IN A STRONG MAGNETIC FIELD. PART II.— 
MAGNETIC PERTURBATIONS OF THE SPECTRAL LINES. By THOMAS 
PRESTON, M.A., D.Sc. F.R.S. 
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 WELDRIOCK. 
1899. 
Price One Shilling. 
