833 



f"3. Coinpnrison of /*/',, irii/i 1\^_ of Henning '). 



We will now compare the scale as laid down in onr table with 

 that determined by Henning for his platimim-thermometer P^^-, for 

 this pnrpose Henning's values were first reduced to the absolute scale 

 according to Kamerungh Onnes and Braak's corrections''). 



1) F. Henning. Ann. d. Phys. (40), 635, 1913. 

 -) Gomm. Leiden lOlö. 



