120 
PROFESSOR R. THRELFALL AND MR. J. H. D. BREARLET 
Fig. 3. 
When the deflection had fallen to 12 divisions, it remained fairly constant. These 
results probably chiefly refer to the time of crystallization of the sulphur, which, as 
everyone knows (Gernez, loc. cit.), is a process requiring a good deal of time. The 
