Charged Bodies at Moderate Temperatures. 447 



Thorium oxide spread on zinc strips ; these hitter placed on 

 insulated iron plates in iron box : 



Insulated with no charge. 

 No flame. 



Charged positively. 



i 



Charged negatively. 



Time. 



Eeading in scale- 

 divisions*. 



Time. 



Eeading. 



Time. 



Eeading. 



3.10 







3.19 



+ 120 



3.21 



-120 



3.17 



-65 



3.20 



-55 



3.22 



-78 



3.18 



-70 



3.20| 



-70 



3.23 



-73 



3.19 



-70 



3.21 



-70 



3.24 



-73 



* 120 scale-divisions = 1*4 volts. 



Zinc strips with thorium oxide placed on bottom of iron 

 box: 



Insulated with no charge. 



Charged positively. 



Charged negatively. 



Time. 



Eeading. 



Time. 



Eeading. 



Time. 



Eeading. 



3.28 







3.31 



+ 120 



3.33 



-120 



3.29 



.+60 



3.32 



+ 70 



3.34 



+ 50 



3.30 



+67 



3.32| 



+67 



3.34^ 



+ 67 



3.31 



+67 



3.33 



+67 



3.35 



+67 



Lithium chloride spread on zinc strips, bromine poured on, 

 zinc strips insulated on iron plates in iron box : 



Insulated with no charge. 

 Flame on at 10.55. 



Charged positively. 



: Charged negatively. 



Time. 



10.55 



11.5 



11.12 



11.17 



11.22 



Eeading * . 

 

 -20 

 -25 

 -50 

 -50 



Time. 

 11.23 



11.24 

 11.26 



Eeading. 



+ 120 



-50 



-50 



1 Time. 

 11.27 

 11.28 

 11.27 



11.28 



i 



Eeading. 



-120 



-60 



-50 



-50 



* 120 scale-divisions =1*4 volts. 



