PHYSICAL AND LITERARY. 149 



'The quick-lime fpirit of JaL ammoniac. 

 The atber of Frobenius, , . 



The nitrous ather-, 



The i^olatile tinSiure of fidphur, .. : 



Spirit of wine. 

 Spirit of JaL ammoniac mad^ with the fixed 



alkali i 

 Brandyy 

 WinCy 

 Kimgar, 

 Water, 



Oil of turpentifie. 

 Oil of mint, 

 OH of pimento. 



By each of thefe employed to moiften the 

 ball of the thermometer, fome degree of cold 

 is produced. I dare not however at prefent 

 determine exactly what is the finking of the 

 thermometer produced by each. For this 

 purpofe, it would be neceflary to repeat the 

 trials often and with precifely the fame cir- 

 cumftances at each time : which I find to be 

 very difficult. In the mean time I have 

 endeavoured to give a notion of the compara- 

 tive power of thefe fluids in producing cold, 

 by the order in which I have fet them down j 

 having mentioned that fluid firfl; which 



feemed 



