HOLMAN. 



THERMO-ELECTRIC FORMULA. 



209 



character. The fact that the experimental method brought the obser- 

 vations all very nearly to the respective temperatures t given in the 

 table renders this grouping possible. I have taken the liberty of 

 correcting a few obvious numerical errors, and of dropping a very 

 few values evidently containing a mistake. 



TABLE VIII. 

 Noll's Data on Pure Metals. 



It may, perhaps, not be out of place here to caution those who 

 would make use of Noll's data to their full accuracy that his original, 

 and not his interpolated, numbers should be resorted to. The approxi- 



VOL. XXXI. (n. S. XXIII.) 



14 



