of $>eat mxD Cottu 3 i 



pell'd up about three inches and an 

 half. ] 



And yet 5 if my memory do not 

 much deceive me, I have found, that 

 by mixing Salt of Tartar with an- 

 other Salt 3 the Texture of the fixt 

 Al\ali was foalter'd D that upon the 

 affuiion of fpirit of Verdigreafe, 

 ( made without fpirit of Vinegar and 

 fpirit of Wine,) though there enfu- 

 ed a great conflict with noife and 

 bubbles 5 yet, inftead of an Incale- 

 fcence , a coniiderable degree of 

 Coldnefs was produced. 



EXPER. X. 



TIs very probable that further 

 Trials jWill furnifh us with 

 more Inftances to (he# how the Pro- 

 duction of Cold may in fome cafes 

 b-? effefted,-' varied 5 - or hindei'd by 

 Mechanical Citcumltances that are 

 eafily and ufually overlooked. I re- 

 fflember 3 on this 'Occafion, that though 

 * C 2 in 



