34 0Df t$e &ttiw\it& $>n$m 



I made the Experiment alio at dif- 

 fering times, and with fome months, 

 if not rather years, of interval,- but 

 with the like fuccefs. 



And left you ihould think thefe 

 Vhtnomtna proceed from fome pecu- 

 liarity in the piece of Amberlem- 

 ployedj I (hall add, that I found uni- 

 formity enough in the fuccefs, when, 

 in the place of Amber, I fubftituted 

 another Ele&rick, and particularly a 

 fmooth mafs of melted Brimftone. 



Thefe are the Thsnomena I thought 

 fit to mention at prefent of this unufu- 

 al way of drawing light bodies, and 

 with this Experiment I (hould con- 

 clude my Notes about Eleftricity 3 but 

 that I think it will not be amifs before 

 I take leave of this Subjeft, to give 

 this Advertifement, That the event 

 of Eleftrical Experiments is not al- 

 ways fo certain as that of many others, 

 being fometimes much varied by 

 feemingly flight circumftances , and 

 now and then by fome that are alto- 

 gether over-Iock'd. This Obferva- 

 tion may receive credit from fome of 



the 



