1895.] 



in the Magnetic Permeability of Iron. 



237 



This sample was then removed from the oven and left in repose. 

 It was again tested on January 25, 1895, with the following result : 



Loss at 2500 B, 25'4 watts, showing that repose for fifty days 

 had produced no effect. 



Table Y (see also Diagram 5). 



Amperes. Power-factor. Watts. B. Date. 



0-46 076 8-9 25001 



0-48 0-85 10-3 2762 ? September 29, 1894. 



12-1 



3050 J 



1895, 



Added since diagram was engraved. 



