of Domien, an Electrician and Traveller. - Con
jectures respecting the Pores of Glass. - Origin of
the Author's Idea of drawing down Lightning. -
No satisfactory Hypothesis respecting the Manner
in which Clouds become electrified. - Six Men
knocked down at once by an Electrical Shock.
Reflections on the Spirit of Invention
To M. DALIBARD. 29 June, 1755.
Beccaria's Work on Electricity. - Sentiments of
Franklin on pointed Rods, not fully understood in
Europe. - Effect of Lightning on the Church of
Newbury, in New England. - Remarks on the
To John PRINGLE. 21 December, 1757.
On the Effects of Electricity in Paralytic Cases
To Thomas HUBBARD. 28 April, 1758.
Electrical Apparatus. — Description of a Battery
To WILLIAM HEBERDEN. 7 June, 1759.
On the Electricity of the Tourmalin
E. KINNERSLEY TO B. FRANKLIN. 12 March, 1761.
Experiments on boiling water, and Glass heated by
boiling Water. — Doctrine of Repulsion in elec-
trized Bodies doubted. -Electricity of the Atmo-
sphere at different Heights. — Electrical Horse-
race. - Electrical Thermometer. — In what Cases
the Electrical Fire produces Heat. — Wire length-
ened by Electricity. - Good Effect of a Rod on
the House of Mr. West, of Philadelphia
To E. KINNERSLEY. 20 February, 1762.
Answer to some of the foregoing Subjects. — How
long the Leyden Bottle may be kept charged. -
Heated Glass rendered permeable by the Electric
Fluid. — Electrical Attraction and Repulsion. -
Reply to other Subjects in the preceding Paper.
Numerous Ways of kindling Fire. – Explosion of
Water. -Knobs and Points
Accounts from Carolina (mentioned in the foregoing
Letter) of the Effects of Lightning on two of the