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I. ExtraEl of a Letter from Mr. Turbervifl 
Needham to Martin Folkes, Efq\ Pr. R. S. 
concerning fome new EleSlrical Experiments 
lately made at Paris. 
Paris, July 4. N. S. 1746. 
SIR, 
Read at a Meeting » s I have been myfelf, fince my 
coming hither, greatly entertained 
with the curious eledrical Expe- 
riments I have feen at Monfieur le Mounters , I hope 
{uch an Account as I am able to give of them, will 
not prove difagreeable to you, notwithstanding you 
may very fhortly expeft abetter from that Gentleman 
himfelf, who intends writing to you by the firft Op» 
portunity. Had 1 been verfed in drawing, fo that I 
could have delineated the Apparatus I have feen, l 
might both have Shortened my Defcription, and have 
rendered myfelf more intelligible. As it is, you muft: 
excufe long Periods* take the Will for the Deed, and 
let the Singularity of the Fads themfelves, make 
amends for the Manner of relating them : till Mon* 
fieur le Mounters own Letter fliall come, like the 
Sun after the Dawn, and give you full Satisfaction. 
The eledrifying Glafs ufed by Monfieur le Monnier 
is an oblong Spheroid, whefe Diameter from Pole to 
Pole is four or five Inches longer than that at the 
Equator, which is about twelve Inches. Each of thefe 
Poles is terminated in a Stem, or Portion of a hoi* 
low Cylinder, about three Inches in Length, and one 
in Diameter, fpirally embolfed on the Outfide into a 
I i large 
