( 5V ) 
Gravities of the Metals, viz,. Silver iof, and Gold i8f, 
I found the Diameter of fuch Wire the ^ part of an 
Inch, and its Circumference the ,-frP art 3 but the Gold 
in thicknefs not to exceed the rrh^o part of an Inch 5 
whence it may be concluded, that the Cube of thehun- 
dreth part of an Inch would contain above 2433000000, 
(or the Cube of 1 345) of (uch Atoms. And it may like- 
wife be marvelled at, that Gold being ftretcht to Co 
great a degree as is here demonftrated, (hould yet (hew 
itfelf of fo even and united a Texture, as not to let the 
white Colour of the Silver under it appear through any 
the Ieaft Pores 5 which Argues that even in this ex- 
ceeding thinnefs, very many of thofe Atom9mayftiIl lie 
one over the other s Which is a Confideration may merit 
the Thoughts of this Honourable Society, as tending 
to examine that renowned Atomical Doftrine, which 
has of fete of much obtained among the Learned. 
Okfer- 
