r so 
from diverfifying the Experiments, as was intended 
and only confider'd thefe Trials as a {fill further En- 
couragement tor them to prolecute the Inquiry at a 
more favourable Opportunity. 
Early tnerelore on Saturday Morning ^ uly 18 
there met upon JVeftminJler-Bridge the Prefident of 
the Royal Society , the Right Honourable the Lord 
Charles Cavendifh y Richard Graham Efq; Dr. Bevis , 
and myfclf, with proper Affiftants; At the preceding 
Meeting, the electrical Machines being placed at 
iome Diftance from the Water being found incon- 
venient, the following Alteration was made in the 
Dilpontion of the Apparatus . 
A Room up two Pair of Stairs in a commo- 
dious Houfe neareft the Bridge on the Surry Shore 
was provided, in which was placed the eledrical 
Machine with the Gun-barrel fufpended in /ilk 
Lines. From this Room, on account of its 
Height, the Signals on both Sides of the River 
were eafily obfervable. The coated Phial before- 
mention d with its iron Hook was placed upon 
the Seat of the Window of this Room, and com- 
municated with the Gun-barrel by the means of 
a Piece of iron Wire. One Extremity of another 
Y\ ire was likewife fixed into the Bottom of the 
leaden Coating of the Phial, whofe other Extremity 
reached therefrom over the Bridge to the Steps upon 
the IVeftminJier Shore,^ the Body of the Wire being 
placed as much as polhble upon the Parapet of the 
Bridge. One or more Obfervers took each other 
by the Hand, the firft of which muft neceffarily take 
thg-jWire in his left Hand, and the lafl, upon the 
proper Signal given, either dip his right Hand into 
the 
