[48] See the ingenious Essays on Electricity, in the Transactions, by
Mr. Ellicot.
[49] See page 173.
[50] See note in page 214.
[51] See the first sixteen Sections of the former paper, called
_Farther Experiments_, &c.
[52] See Sect. 10, of _Farther Experiments_, &c.
[53] In the dark the electric fluid may be seen on the cushion in two
semi-circles or half-moons, one on the fore-part, the other on the
back part of the cushion, just where the globe and cushion separate.
In the fore crescent the fire is passing out of the cushion into the
glass; in the other it is leaving the glass, and returning into the
back part of the cushion. When the prime conductor is applied to take
it off the glass, the back crescent disappears.
[54] Gilt paper, with the gilt face next the glass, does well
[55] See _Further Experiments_, Sect. 15.