258 



Of the Propagation of Heat 



In heating the 

 Thermometer 

 from 32°to 40° J 

 from 40 to 60 

 60 to 80 

 100 

 120 

 140 

 160 

 180 

 200 



Total times in" 

 heating the in- 

 strument from j 

 32° to 200° j 



Times employed 

 in heating the 

 Thermometer \ 

 So degrees, viz 

 from So°to 160'^ 



