676 



PROCEEDINGS OF THE AMERICAN ACADEMY. 



GalTanometer Calibration. 



98.20 



Temperature Tank. 



6.30 

 98.23 



6.22 

 98.23 



6.19 

 98.19 



91.90 

 91.93 

 92.01 

 92.01 

 92.04 

 92.00 



5.203 at 11 

 5.202 at 11 

 5.200 at 11 

 5.199 at 11 



03 

 08 

 16 



28 



Tank at 92°.4 C. 

 Inside at 101°.7 C. 

 Mean at 97°.8 C. 



Mean, 91.982 ±0.014 



R = 190000 in series with storage cell and ohm 

 Ratio to balance Clark cell against storage cell : 

 209177 

 9177 



Thermal Conductivity. March 18, 1905. 



