1From Benjamin Franklin to Peter Collinson, 28 March 1747 (Franklin Papers)
Experiments and Observations on Electricity...surviving letter in which Franklin alludes to his electrical investigations. It introduced the fourth edition of his Experiments in 1769. That edition, its predecessors and its successor, will be discussed below, under their respective dates of publication. This note is concerned rather with the several manuscript and printed versions of Franklin’...
2From Benjamin Franklin to Peter Collinson, 27 July 1750 (Franklin Papers)
Supplemental Experiments and Observations on Electricity, Part II (London, 1753), and in 1754 and 1760 editions; Letter VI in 1769 and 1774 editions.
3From Benjamin Franklin to Peter Collinson, 29 June 1751 (Franklin Papers)
Supplemental Experiments and Observations on Electricity (London, 1753), pp. 90–2, and in later editions of
4From Benjamin Franklin to Peter Collinson, [October 1752] (Franklin Papers)
Supplemental Experiments and Observations on Electricity, Part II. … (London, 1753), pp. 108–[9].
5From Benjamin Franklin to Peter Collinson, September 1753 (Franklin Papers)
At last, on the 12th. of April 1753, there being a smart Gust of some Continuance, I charged one Vial pretty well with Lightning, and the other equally, as near as I could judge, with Electricity from my Glass Globe; and having placed them properly... to Collinson, April 18, 1754; but on Oct. 25, 1753,
6From Benjamin Franklin to Peter Collinson, 23 November 1753 (Franklin Papers)
Experiments and Observations on Electricity
7From Benjamin Franklin to Peter Collinson, 28 May 1754 (Franklin Papers)
By Capt. Cuzzins I sent you a paper containing my new Experiments and Observations on Lightning, and on the positive and negative Electricity of the Clouds:, 1753–54, p. 40. The House adjourned without passing the law.