METHODS EMPLOYED IN CALIBRATION OF MERCUBIAL THERMOMETERS. 199 



points may therefore be obtained, under conditions such that the two 

 methods may bo compared by adding to the values of ^" (i,.) the correc- 

 tions for the initial points taken from the standard curves, together with 

 the constants (K) necessary to make the corrections at 100° zero. 

 This operation is performed in Table LII. 



Table LI, 



Expressed in tervis of 0°-001. 



VoN Oettingen. 



Thorpe and Euckee. 



Table LII. 



