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In Three PARTS. Mberry
the Electrical Fluid, in order to explain, illuila.
Doctrine of a Subtile Medium or Ætber.
and Production of Heat in particular.
mentioned active Principle is shewn to be the only
and concise Account of the Variation of the Mag-
sary of Terms is added.
By R. LOVETT, LAY-CLERK, 5 FEB 85
Of the Cathedral Church of Worcester.
and Printer, at the Bible and Crown, in High-Jireet,
and by Mr. FLETCHER, BOOKSELLER, in Ox.-
and by Meter Rowe, bi and J. To
At the end of the Preface instead of the Catch
word Chap, it should be Subscribers . . Page 65, line 3. for 138 read 136 [ Chap. p. 45, I. 26. for, at the beginning, read, in the 11th p. 112, l. 9. for paricularly r. particularly
p. 220, 1. 29. for Crusibles r. Crucibles : for 366 r. 388 p.. . · p. 438, 1. 16. for conclusjon ř. conclusion p. 503, I. 5. after 104° 31' 26 r. as appears by
the preceding Table p: 507, 1. 17. r. Longitude from London 74° p. 512, l. 8. after magnetic Meridian in degrees
r. find the side C# and --
.. JF Men of Genius and polite Literature have I confessed their particular embarrassments for
want of proper Apologies, whenever they bave addressed the public, the World may judge with what anxiety the Author of the following Sheets must be affected; who, though fully sensible of the want of a learned Education, yet ventures to publish with the greatest diffidence indeed and humility) 'bis Sentiments on yo delicate and mysterious Subjects as Ele&tricity and Fire.
It was, if I mistake not, in the Year 1739, that I was equally suprised and delighted at the performance of many curious Experiments exhibited by the ingenious Dr. Defaguliers, when, none in the whole Course of his Lectures made so deep an Impression as those relating to Electricity, altho they were effečted only with a glass Tube.
Those pleasing Ideas were much improved, when the electrical Machine was introduced, by, which means the force of the Fluid was render'd still more conspicuous, and every observer saw and concluded that it was real Fire.
Since that Time Ele&tricity bath been the principal object both of my Study and Practice; and tho in many respects unqualified for an Author, yet bave "Í from a pure