30 ®tfyt^tftmm\$)ii$it\t 



potent Menftruum than common Spi- 

 rit of Vinegar, would not conflantly 

 produce near fuch a heat at the be- 

 ginning of its operation, as the great- 

 nefs of the feeming Eflfervefcence, 

 then excited, wouid make one ex- 

 pe& 5 as may appear by the follow* 

 ing Obfervation tranfcrib'd verbatim 

 out of one of my Adverfaria. 



Qlnto eight ounces of Spirit of 

 Verdtgreafe ( into which we had put 

 a while before a ftandard-Thermo- 

 fcope to acquire the like temper with 

 the Liquor ) we put in a wide-mou- 

 thed Glafs twoounces of Salt of Tar- 

 tar, as faft as we durftfor fear of ma- 

 king the matter boil over 5 and 

 though there were a great commoti- 

 on excited by the a&ion and rea&i- 

 on of the Ingredients, which was at* 

 tended with a copious froth and a 

 hilling noife >yet 'twas a pretty while 

 ere the Glafs was fenfibly warm on 

 the outfide} but by that time the 

 fait was aldiffolv'd, the Liquor in 

 the Thcrmofcope apreard to be im- 

 pend 



