( 295 ) 



Ave must apply Hie (•on-cel ion iiieiilioiied in § 7 in order to lind tiie 

 trne resistance. The mean defleetion during the measurement is found, 

 according to Comm. N". 83 § 5, by means of a i)hinimeter. 



(See for the grapiiical re[)resentati()n PI. Ill, Conn)i. N«. 83, wliieh 

 does not, iiowexer, bear npon our ease). 



In the following table the corrections are combined. 



TABLE II. Calibration Platinum Theiinometoi- in 

 Oxygen Boiling under Reduced Pressure 

 (May 22, 1902). 



Resistance measurement, Coi'rections. 



Ratio arms +0.00210 



Correction to R ior box values 20 and 2 +0.000.J 



Mean deflection +0.1 cM. 



After what has been said aboxe about the method of calculation the 

 further calculation will be snfiiciently clear from the following table. 



Proceedings Royal Acad. Amsterdam. Vul. VII. 



20 



