dupe, by agitaiiug and (buffi ing the 

 pans, odorous corpufcles : But thai 

 the celerity and other modifications 

 of the Local motion of the effluvia oC 

 Bodies may not onely ferve to diver-? 

 fifie their odours, £rat fo far produce 

 them, as to make them perceptible 

 by the fenfe, which otherwife would 

 raot be fo, may be gathered from fome 

 observations, which, being obvious, 

 are not fo proper for this place; 

 Wherefore I (hall rather take notice, 

 that I know feveral Bodies that are 

 not onely inodorous when cold, but 

 when confiderably hot, and are fixt in 

 the fire, and yet, by having their 

 part9 put into a peculiar kind of agi- 

 tation^ will prefently grow plainly 

 odorous. On this occafion I (hall 

 add, that, as there are fome very hard 

 V^qods, that acquire a ftrong fmeU 

 by the motion they may be expofed 

 to in a Turner's Lath, (as I have ob- 

 ferved by trialls particularly made 

 with the hard and ponderous Lignum 

 Vit£ y ) fo fome afford, whilft the ope- 

 ration lafts, an unexpected odour. 



And 



