i4 ©f #e ^ec&anitai tityigftte 



afcended in a flender ftream, held, at 

 a convenient diftance from it, an ex* 

 cited piece of Amber or a chafed 

 Diamond , which would manifeftly 

 make the afcending fmoak deviate 

 from its former line, and turn afide, 

 to beat , as it were , againft the 

 Eleftric, which, if it were vigorous, 

 would aft at a considerable diftance, 

 and feemed to fmoak for a pretty 

 while together* 



9. That 'tis not in any peculiar 

 Sympathy between an Eleftric and 

 a body whereon it operates, that E- 

 leftrical Attraftion depends, feems 

 the more probale, becaufe Amber, 

 for infta nee, does not attraft onely 

 one determinate fort of bodies , as 

 the Loadftone does Iron, and thofe 

 bodies wherein it abounds i but as far 

 as I have yet tried, it draws indiffe- 

 rently all bodies what foe ver , being 

 plac d within a due diftance from it, 

 C as my choiceft piece of Amber 

 draws not onely Sand and Mineral 

 Powders , but Filings of Steel and 

 Copper , and beaten Gold it felf ) 



pr^ 



