The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 1 [of 3]

By Benjamin Franklin

Page 129

Hurst, Rees
& Orme, Paternoster Row._]


EXPERIMENT II.

FIG. 1. From a bent wire (_a_) sticking in the table, let a small
linen thread (_b_) hang down within half an inch of the electrised
phial (_c_). Touch the wire or the phial repeatedly with your finger,
and at every touch you will see the thread instantly attracted by
the bottle. (This is best done by a vinegar cruet, or some such
bellied-bottle). As soon as you draw any fire out from the upper
part, by touching the wire, the lower part of the bottle draws an
equal quantity in by the thread.


EXPERIMENT III.

FIG. 2. Fix a wire in the lead, with which the bottom of the bottle
is armed (_d_) so as that bending upwards, its ring-end may be level
with the top or ring-end of the wire in the cork (_e_) and at three
or four inches distance. Then electrise the bottle, and place it on
wax. If a cork suspended by a silk thread (_f_) hang between these
two wires, it will play incessantly from one to the other, till the
bottle is no longer electrised; that is, it fetches and carries fire
from the top to the bottom[29] of the bottle, till the equilibrium is
restored.


EXPERIMENT IV.

FIG. 3. Place an electrised phial on wax; take a wire (_g_) in
form of a _C_, the ends at such a distance when bent, as that the
upper may touch the wire of the bottle, when the lower touches the
bottom: stick the outer part on a stick of sealing-wax (_h_), which
will serve as a handle; then apply the lower end to the bottom of
the bottle, and gradually bring the upper end near the wire in the
cork. The consequence is, spark follows spark till the equilibrium
is restored. Touch the top first, and on approaching the bottom,
with the other end, you have a constant stream of fire from the wire
entering the bottle. Touch the top and bottom together, and the
equilibrium will instantly be restored, the crooked wire forming the
communication.


EXPERIMENT V.

FIG. 4. Let a ring of thin lead, or paper, surround a bottle (_i_)
even at some distance from or above the bottom. From that ring let a
wire proceed up, till it touch the wire of the cork (_k_). A bottle
so fixt cannot by any means be electrised: the equilibrium is never
destroyed: for while the communication between the upper and lower
parts of the bottle is continued by the outside wire, the fire only
circulates: what is driven out at bottom, is constantly supplied
from the top[30].

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Text Comparison with Franklin's Autobiography (Eclectic English Classics)

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born 1667, died 1752, ---- 85.
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] [Footnote 9: "Old style," i.
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] [Footnote 91: Belief in the existence.
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Page 125
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