Chemistry and Physics. 393 
Boiling Point of Sulphur. 
Barometer. 
Height at 0°. Bennett. Regnault. Diff. 
758°8 : 
A verage difference, 05 
ing as ‘alee the two ester e or the poo we obtain 
values for the boiling point of sulphur differing by more than a 
degree, and hence, as we have already said, there is still an 
evident, Mr. Bennett’s observations confirm very closely the inter- 
y ourselves, but since the boilin point of sulphur has become 
such an important constant we propose to have the observations 
repeated under the most favorable condita we can comman 
After the accuracy irae ur method had been thus placed be- 
yond doubt within the limits require d, Mr. Bennett made three 
dete: ee herpeeeie i the boiling point of antimonious iodide with 
the follow resu 
tise Height at 0°. Boiling Point SbI;. 
758-1 millimeters. 400-4 
T1584 400°-9 
401°-9 
159°3 
Proba bably only ae sal art of the differences between ee 
observations depends on the variations of pressure, and 401 
the nearest whole eh of degrees to the neenne point of so 
Monious iodide at the normal pressure of the 
*This Journal, II, xiv, 484 
