■ 
( *86 >, 
taken off the Fire, andfet by in the Ladle to cool and 
harden; then it was returned to die Fire, where it 
remained ’till it was melted about the Bottom and Sides 
of the Ladle, fo as to be moveable fo that by invert- 
ing the Ladle, it might be taken out ; having the 
Form of nearly the Section of a Sphere, the Convex 
Surface, as alfo the Plain one, being naturally (if I 
may fo fay) polifhed, excepting the Sulphur, which 
cools without retaining its Polifh, except when call 
in Glafs VeiTels, as (hall be Ihewed hereafter. I fhall 
now proceed to the Experiments and Observations 
made on thefe Elecfrick Bodies. 
When any of them were tjaken out of the Ladle, 
and their Convex Surface hardened, they would not 
at firft attract, ’till the Heat was abated, or ’till they 
came to a certain Degree of Warmth, and then there 
was a fmall Attraction ; which Warmth I eftimated 
to be nearly that of a Hen’s Egg when juft laid:. 
The Attraction encreafing fo, as when cold, to at- 
tract at lead ten times farther than at firft. 
The manner of preferving them in a State of At- 
traction, was by wrapping them up in any thing that 
would keep them from the external Airj as at firft 
for the fmaller Bodies J ufe'd white Paper, but for the 
larger ones white Flannel"; but afterwards found that 
black Wo.rfted Stockings w.ould do as well. 'Being 
thus clothed, they were put into a large Fir Box, 
there to remain ’till I had Occafion to make ufe of 
them. 
The Cylinder of Sulphur, Numb. 18, was made 
by melting the Sulphur, and pouring it into a Cylin- 
drick Glafs Vcflel, which had firft been heated, to pre- 
vent its cracking. When the Sulphur was hardened, it 
was 
