AN EXPERIMENTAL INVESTIGATION 
OF THE 
MAGNETIC CHARACTERS 
Or 
SIMPLE METALS, METALLIC ALLOYS, 
AND 
METALLIC SALTS. 
BY WILLIAM STURGEON, ESQ., 
Lecturer on Natural and Experimental Science, Sormerly Lecturer on 
Experimental Philosophy at the Hon. East India Company’s Military 
Academy, Addiscombe. 
(Read April 7th, 1846.) 
SECTION TI. 
1. Tue subject to which this memoir is directed 
is one that has been already explored at different 
periods by many eminent experimental philoso- 
phers, who have recorded the results of their 
labours in various works on science; and as 
several interesting and well-attested facts have 
been discovered by those investigations, but little 
would appear to be wanting at this time to 
accomplish all the desirable information respecting 
