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vary with the Current of the eleftrical Effluvia > 
unlcfs fome Method could be found out to render 
this Current uniform throughout the whole Series 
of Experiments, the Profecution of this Inquiry will 
be rendered extremely difficult, and the Refult will 
at bclf be very uncertain. I am Sir, with the 
greatefl Refpe£l, 
Tour moft obedient humble Servant , 
John Ellicott. 
When the foregoing curious Letter was read at 
the Meeting of the Royal Society on Thurfday 
the 25 th of February laft, 1747* ^ acquainted 
the Gentlemen prefent, that the fame ingeni- 
ous Author had communicated to me a Paper 
feveral Months before, in which he had more 
fully and particularly delivered his Thoughts 
on the furprizing Rhsenomena of Electricity , 
and as feveral Perfons expreffed their Defire of 
feeing that Paper, I requefled of him either^ a 
Cop/, or an Abftraft of the fame ; in Compli- 
ance with which he, fome Days alter, gave me 
the two following Papers, containing the Sub- 
fiance of what he had before (hewn me; and 
I immediately put them into the Hands of Dr. 
Mortimer , one of the Secretaries of the So - 
ejety, who read them at the two Meetings of 
the Society , on the feveral Days noted at the 
Head of thofe Papers. 
M. ho Ikes. 
2. 
