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An Account of Negotiations in London for effecting a
Reconciliation between Great Britain and the
Vindication and Offer from Congress to Parliament
Articles of Confederation and Perpetual Union, proposed
Correspondence and Interview with Lord Howe
Protest against the Equality of Voting in Congress
Sketch of Propositions for a Peace.
A Dialogue between Britain, France, Spain, Holland, Sax-
A Catechism relative to the English National Debt
Passports for Moravian Vessels, and for Captain Cook
Supplement to the Boston Independent Chronicle
Public Addresses to Dr. Franklin, and his Answers
Proposals for Consideration in the Convention for forming
Speech in the Convention; on the Subject of Salaries
Speech in the Committee of the Convention; on the Pro-
Motion for Prayers in the Convention
Speech in the Convention, at the Conclusion of its Delib-
A Comparison of the Conduct of the ancient Jews and of
the Antifederalists in the United States of America 158
Queries and Remarks respecting Alterations in the Consti-
TO PETER COLLINSON. 1 September, 1747.
Observations on the Leyden Bottle, with Experi-
ments proving the different Electrical State of its
Observations and Suppositions towards forming a
new Hypothesis for explaining the several Phe-
TO PETER COLLINSON. 27 July, 1750.
Accumulation of the Electrical Fire proved to be
the Needle of Compasses explained. - Gunpow-
der fired by the Electrical Flame .
arising from Experiments and Observations made
at Philadelphia, 1749.- Golden Fish.-Extrac-
tion of Effluvial Virtues by Electricity impracticable 227
Additional Experiments; proving that the Leyden Bot-
tle has no more Electrical Fire in it when charged,
than before; nor less when discharged; that, in
discharging, the Fire does not issue from the Wire
and the Coating at the same Time, as some have
thought, but that the Coating always receives what
is discharged by the Wire, or an equal Quantity;
the outer surface being always in a Negative State
of Electricity, when the inner Surface is in a Posi-
To JAMES BOWDOIN, AT BOSTON. 25 October, 1750.
Enclosing Papers on Electricity
To A FRIEND IN BOSTON. 25 December, 1750.
Account of an Accident while making an Electrical
tric" improper. - New Relation between Metals
and Water. Effects of Air in Electrical Experi-
ments. Experiment for discovering more of the
JAMES BOWDOIN TO B. FRANKLIN. 21 Dec. 1751.
On the Causes of the crooked Direction of Light-
ning. Objections to the Hypothesis that the Sea
is the Source of Lightning. On the Swiftness of
TO JAMES BOWDOIN. 24 January, 1752.
Observations on the Subjects of the preceding Let-
E. KINNERSLEY TO B. FRANKLIN. 3 February, 1752.
New Experiments. - Paradoxes inferred from them.
-Difference in the Electricity of a Globe of Glass
charged, and a Globe of Sulphur. - Difficulty of
Probable Cause of the different Attractions and
Repulsions of the two Electrified Globes mentioned
JAMES BOWDOIN TO B. FRANKLIN. 2 March, 1752.
Effect of Lightning on Captain Waddel's Compass,
and on the Dutch Church at New York .
JAMES BOWDOIN TO B. FRANKLIN. 16 March, 1752.
Remarks on Dr. Colden's Letter respecting the
Electricity of the Clouds
To E. KINNERSLEY. 16 March, 1752.
Reasons for supposing that the Glass Globe charges
positively, and the Sulphur negatively. - Hint re-
specting a Leather Globe for Experiments when
Mistake, that only Metals and Water were Con-
ductors, rectified. Supposition of a Region of
Electric Fire above our Atmosphere. Theorem
concerning Light. - Poke-weed a Cure for Cancers 283
To PETER COLLINSON. September, 1753.
Hypothesis of the Sea being the grand Source of
Lightning retracted. Positive, and sometimes
negative, Electricity of the Clouds discovered.
New Experiments and Conjectures in Support of
this Discovery. Observations recommended for
ascertaining the Direction of the Electric Fluid.-
Size of Rods for Conductors to Buildings. Ap-
pearance of a Thunder-cloud described .
TO PETER COLLINSON. 23 November, 1753.
Notice of another Packet of Letters
Proposal of an Experiment to measure the Time taken
up by an Electric Spark in moving through any
Remarks on the Abbé Nollet's Letters to Benjamin
Franklin on Electricity. By David Colden, of
Electrical Experiments, with an Attempt to account for
their several Phenomena. Together with some
Observations on Thunder-clouds, in further Confirm-
ation of Mr. Franklin's Observations on the Posi-
tive and Negative Electrical State of the Clouds.
By John Canton. 6 December, 1753
Additional Proofs of the Positive and Negative
State of Electricity in the Clouds. — New Method
Experiments made in Pursuance of those made by Mr.
Canton, dated December 6th, 1753; with Explan-
ations, by Benjamin Franklin. 14 March, 1755 341
Turkey killed by Electricity. Effect of a Shock on