1028 Proceedings of Royal Society of Edinburgh. [sess. 
greater proximity of the maxima to these lines than to the face- 
diagonals, is noteworthy. Weiss remarks that “the magnetisation 
turns more quickly than the field when it separates from an axis 
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3" “ en fonction de I! 
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of minimum magnetisation and less quickly when it separates from 
an axis of maximum magnetisation.” 
Tig. 3 shows the similar results in the case of a disc cut parallel 
to a diagonal plane of the structural cube. The line parallel to a 
