C 
3t”'p I M E.^ 
I took a Barometer Tube empty, and very dry, and 
placed it in the Axis of the great Tube AB 5 but it 
would tondud no Electricity to the Ball C5 though 
it carried it; down very readily wlien full of Water, 
though quite dry on the Outfide* 
Another fmall Tube open at both Ends, which 
conduced no Virtue to C when dry, being only 
'hioiften’d a little by the Breath in blowing through 
it, carried down the Viime from A to C very 
Brongly. 1 ; 
N. B. All this while the Cat-gut .Strings E£ re- 
ceived no electrical Virtue. 
As I defign to purfue thefe J^nquiries nauch-, f^ftiher, 
I^ve to be allow’d to make^ ufe, bf fon^ 
■Terms, (which 1 thall here define) in order to £aye 
uEng mar^ Words in giving an Account of feme 
elo^ical Experiments^ which I have made^ and fhail 
hereafter make. 
■ I J 1 f; . . -• .. - p' •£ J Q JJ' 
- ' i i'i ^ ^ • 
. jL 'Bo^iy.e^e&r.kalperfi is -fuch a(Body in which 
-dne may exsite; EkCtrjcityt by Rubbing, Patting, Ham- 
iHiering, 'Melting, Warming, or any other Adion on 
:the BodyjHfqlfjias Amber^.Sealing-^W^Xi Qlafs, Re£n, 
iSulphur,;d?^c. bJefidfis;lm^ .all/ Animal Sub- 
-ftariCfiS. A ' i V’-' ' ^ 
Definition IL 
. A SNon-ele 0 rJjcal is fuch a Body as cannot , be 
5madetek<^ijakby,.any^^ thejj^ody hf^jf 

