6fc HEAT. 



TABLE, consisting of Frigorific Mixtures selected from the foregoing Tables, and 

 combined so as to increase or extend Cold to the extremest degree. 



COMBINATIONS OF FRIGORIFIC MIXTURES. 



Degree of 

 MIXTURES. Thermometer Sinks. Cold 



PARTS. produced. 



Phosphate of Soda 5 



Nitrate of Ammonia S > From to 34 .. 34 



Diluted Nitric Acid . . 4 



Phosphate of Soda .............. 8 



Nitrate of Ammonia ............ 2 }- 34 to 50 .. 16 



Diluted mixed Acids ........... 4 



DUuTed Nitric Acids' ".'.'.'.'.'. '.'.'.'.'.'. 2 } - to - 46 ..46 



Snow .......................... 8 ^) 



Diluted Sulphuric Acid .......... 3 > - 10 to - 56 ..46 



DilutedNitric Acid .............. 3 J 



Snow .......................... 1 ") i n f A 60 40 



Diluted Sulphuric Acid .......... 1 J 



f. now '':: ................... ! 1 + 20 to - 48 .. 68 



Muriate ot Lime ....... , ........ 4 J 



+ 10 to - 54 .. 64 



Muriate of Lime 4 



Snow 2 



Muriate of Lime.. 3 * - 15 to - 68 ..53 



| - to - 66 ..66 



T _ 40 to 73 ..33 



Snow 1 



Crystallized Muriate of Lime 2 



Snow 1 



Crystallized Muriate of Lime .... 3 



Snow 8 1 . Co tn PI 93 



TX-I , i r>i i i * i i /-\ f ^" UO lO " t/ 1 <frO 



Diluted Sulphuric Acid 10 J 



N.B. The materials in the first column are to be cooled, previously to mixing, to the 

 temperature required, by mixtures taken from either of the preceding Tables. 



TABLE of Congealing or Freezing Temperatures of various Liquids, 

 according to Fahrenheit's Scale. 



Sulphuric Ether 46 , 



Liquid Ammonia 46 



.424 45.5 

 .6415 45 

 39 



.407 80.1 



.8064 26 



.3880 18.1 



.2583 17.7 



.3290 2.4 



Nitric Acid sp.gr. 



Sulphuric Acid sp.gr. 



Mercury 



Nitric Acid sp. gr. 



Sulphuric Acid . sp.gr. 



Nitric Acid sp.gr. 



Ditto sp.gr. 



Ditto sp.gr. 



Brandy 7.0 



Sulphuric Acid sp.gr. 1.8376 + 1 



Pure Prussic Acid 4 to 5 



Common Salt 25 + water 75 4 



Ditto 22.2 + do. 77.8 7.2 



Sal Ammoniac 20 + do. 80 8 



Common Salt 20+ do. 80 9.5 



Ditto 16.1 + do. 83.9 13.3 



Oil of Turpentine 14 



Strong Wines ... 20 



Rochelle Salt .. . 50 + water 50 21 



Common Salt 10+ do. 90 "21.5 



Oil of Bergamot 23 



Blood . 85 



