INDEX SLIP. 
Barrerr, W. F., Brown, W., and Haprretp, R. A.—On the Electrical Conductivity 
and Magnetic Permeability of various Alloys of Iron. 
Roy. Dublin Soe. Trans., s. 2, vol. 7, 1900, pp. 67-126. 
lron, Electrical Conductivity and Magnetic Permeability of various Alloys of. 
Barrett, W. F., Brown, W., and Hadfield, R. A. 
Roy. Dublin Soc. Trans., s. 2, vol. 7, 1900, pp. 67-126. 
