200 



Tables 197-200. 

 CONDUCTIVITY FOR HEAT. 



TABLE 197. — Various Substances. TABLE 198. — Water and Salt Solutions. 



TABLE 199. — Organic Llanlds. 



TABLE 200. — Oases. 



Substance. 



Air ... . 

 Argon . . , 

 Ammonia . , 

 Carbon monoxide 

 " dioxide 



Ethylene . . 



Helium . . . 



Hydrogen . . 



Methane . . 



Nitrogen . . 

 Nitrous oxide 

 Oxygen . . . 



o 

 o 

 o 

 o 

 o 



o 

 o 

 o 



7-8 



7-8 

 7-8 

 7-8 



kt 



Xioooo 



.568 



•389 

 .458 



•499 

 •307 



•395 

 3-39 

 3^27 



.647 



•524 

 •350 

 •563 



1 Winkelmann. 



2 Schwarze. 



Smithsonian Tablcs. 



Herschel, Lebour, and Dunn (British Association Committee). 



.00190 

 .00260 

 .00548 



.00445 

 .00318 

 .00175 



.00446 



