will be proper to add on this occali- 

 on the enfuing Experiment. 



We took a competent quantity of 

 acid fpirit diftill'd from Roch-allonv 

 (that 5 though re&ifi'd 5 was but 

 weak,) which, in the fpirit of that 

 fait, is not ftrange, Of this we put 

 into a wide mouth'd Glafs ( that was 

 not great) more than was fufficient 

 to cover the globulous part of a good 

 feal'd Thermofcope^ and then fuffer- 

 ing the inftrument to ftay a pretty 

 while in the liquor 5 that the Spirit 

 of wine might be cooPd as much as 

 the ambient was, we put in little by 

 little (bme volatile fait fublimed from 

 Sal Armoniac and a fixt Alcali , and 

 notwithftanding the very numerous 

 (but not great) bubbles , and the 

 noife and froaththat were produced, 

 as is ufual upon the rea&ion of Acids 

 and Alcaly9 3 the tindted fpirit in the 

 Weather-glafs, after having continu- 

 ed a good while at a (land, began a 

 little to defcend ? and continued 

 (though but very (lowly) to do fo> 

 till the fpirit of Allorn was glutted 



with 



