( 202 ) 



Hydrogen th. 1902 



0° 

 -182.63 

 -197.08 

 -209.93 



110.045 

 28.692 

 21 877 

 10.025 



TABLE IV. 



1907 



110.048 

 28.605 

 21.999 

 15.934 



Deviation 

 in Ö 



— 0.003 

 -f 0.087 



— 0.022 

 + 0.089 



D viation 

 in ° C. 



-f 0.25 

 — 0.05 

 + 0.25 



We think that we cannot draw another conclusion from it than 

 that the reliability of the measurements with the hydrogen thermo- 

 meter in 1902 was not yet so great as it has become now as 

 appears from Comm. N°. 95 d . 



§ 4. Results. The measurements have yielded for the resistance 

 of each of the wires expressed in that at 0° as unity : 



