[68] This work is written conformable to Mr. Franklin's theory, upon
artificial and natural electricity, which compose the two parts
of it. It was printed in Italian, at Turin, in 4to. 1753; between
the two parts is a letter to the Abbé Nollet, in defence of Mr.
Franklin's system. _J. Bevis._
[69] These papers will be found in Vol II. _Editor._