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Beare. She r an s 
[Janvary, 1900.] 
THE 
SCIENTIFIC TRANSACTIONS 
OF THE 
Owe OUSEEN SOC tT y. 
VOLUME VII.—(SERIES II.) 
IV. 
ON THE ELECTRICAL CONDUCTIVITY AND MAGNETIC PERMEABILITY 
OF VARIOUS ALLOYS OF IRON. 
By W. F. BARRETT, F.R.S.; W. BROWN, B.Sc.; R. A. HADFIELD, M. Inst.C.E. 
(Prats II. to IX.) 
DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 
WILLIAMS AND NORGATE, 
14, HENRIETTA STREET, COVENT GARDEN, LONDON; 
20, SOUTH FREDERICK STREET, EDINBURGH; anp 7, BROAD STREET, OXFORD. 
PRINTED AT THE UNIVERSITY PRESS, BY PONSONBY AND WELDRICK. 
1900. 
Price Four Shillings. 
