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XX. Fxtratl of a Letter frotn the Able 
Nollet, F.R.S. &c. to Charles Duke ^Rich- 
mond, F. R. S. accompanying an Exami- 
nation of certain Phenomena in Electricity, 
publifed in Italy, by the fame , a?id tranfated 
from the French by Mr. Watfon, F. R. S. 
Paris, March 5. 1750. 
May it pie afe your Grace , 
Read March V F your Grace fhall have done me the 
2 9 ‘ 1/:>0 ' Honour to have perufed the Treatife i 
fent, intituled, Recherches fur les Caufes particnlieres 
des Fhenomenes eleffriques, your Grace will have 
feen my Doubts touching the Reality of certain 
Facts publifhed in Italy , and which have not fuc- 
ceeded any-where cite. I will not diflcmble, that 
the Defire of knowing how far thefc Things were 
true, has been one of the principal Motives of my 
Journey j and if your Grace has been defirous to 
nave learned the Fruits of my Inquiries in this 
refped, you need only look over the Memoir fent 
herewith, which I beg your Grace afterwards to 
prefent to the Royal Society. 1 well know how 
much that learned Body intcrefts itfelf in relation to 
the Subject of this Memoir ; and, as one of its 
Members, I think it my Duty to communicate the 
Refult of mv Labours. As I correlpond with Mr. 
Watfon , who is well verfed in thefe Matters, it may 
not be difagreeable to him to put thefe Papers in a 
Condition to be laid before the Royal Society. I 
have 
