Table 209. 



FREEZING MIXTURES.' 



Column I gives the name of the principal refrii;fralinK substance, A the proportion of that substance, /? the propor- 

 tion of a second substance named in the ciUiniii, C the proportion o( a third Mibstaiice, /^ the temperature ol 

 the substances before mixture, A' the temperature of the mixture, A the lowumiK of tem|>eralure, C ifie lcmi>era- 

 ture when all snow is melted, when snow is used, and // the amount of heat absorbed in heat units Uhcrms whco 

 A is grammes). Temperatures are in Centigrade degrees. 



* Compiled from the results of Cailieiet and Colardeau. Hammerl, Hanamann, Moritz, Pfanndler, Rudorf, and 



Tollinger. . 



t Lowest temperature obtained. 



Smithsonian Tables. 



