MECHANICAL REFRIGERATION 



I 97 



SHOWING PROPERTIES OF SOLUTION OF SALT. (Siebly.) 

 (Chloride of Sodium.) 



PROPERTIES OF SOLUTION OF CHLORIDE OF CALCIUM. 



(Siebly.) 



Use of Brine. For all general cooling purposes, the 

 brine system is more economical and satisfactory because 

 the brine may be kept cold by running the compressor 

 just a few hours each day. The cold is stored and used 



