CO 

 ADVERTISEMENTS 



About the 



EXPERIMENTS 



AND 



NOTES 



Relating to CHYMICAL 



Qualities. 



W Hereafter I had gone through 

 the common Operations of 

 Chymiftry D I began to make fome 

 ferious Reflexions on them , I 

 thought 'twas pity, that Inftruments 

 that might prove fo ferviceable to 

 the advancement of Natural Philo- 

 fophy, fhould not be more ftudioufly 

 aind skilfully made ufe of to fo good 

 A a pur- 



