11From Benjamin Franklin to Peter Collinson, 7 December 1762 (Franklin Papers)
ALS : Pierpont Morgan Library I arrived here the first of last Month, and had the great Happiness, after so long Absence, to find my little Family well, and my Friends as cordial and more numerous than ever. Mr. Bartram I suppose writes to you concerning the great Bones at the Ohio. I have delivered to him and to the Library Company what you sent by me. There is great Complaint here of the...
12From Benjamin Franklin to Peter Collinson, [October 1752] (Franklin Papers)
Printed in Benjamin Franklin, Supplemental Experiments and Observations on Electricity, Part II . … (London, 1753), pp. 108–[9]. (Yale University Library) As you tell me our friend Cave is about to add some later experiments to my pamphlet, with the Errata , I send a coppy of a letter from Dr. Colden which may help to fill a few pages; also my kite experiment in the Pennsylvania Gazette: to...
13From Benjamin Franklin to Peter Collinson, 13 July 1767 (Franklin Papers)
ADS and AD enclosure: British Museum I have heard of an Account you lately received from Russia of some Discovery of an ancient Sepulchre in the Frontiers of that Country. I wish I could see that Account. In the mean time I send you a Passage I have met with in Herodotus, that most ancient Historian, concerning the Sepulchres of the Sythian Kings, which may possibly throw some Light on this...
14From Benjamin Franklin to Peter Collinson, 25 August 1755 (Franklin Papers)
MS not found; reprinted from Benjamin Franklin, Experiments and Observations on Electricity (London, 1769), pp. 356–9. As you have my former papers on Whirlwinds, &c. I now send you an account of one which I had lately an opportunity of seeing and examining myself. Being in Maryland, riding with Col. Tasker, and some other gentlemen to his country-seat, where I and my son were entertained by...
15From Benjamin Franklin to Peter Collinson, 28 March 1747 (Franklin Papers)
MS not found; reprinted from extract in Benjamin Franklin, Experiments and Observations on Electricity (London, 1769), pp. 1–2. This is the earliest surviving letter in which Franklin alludes to his electrical investigations. It introduced the fourth edition of his Experiments and Observations in 1769. That edition, its predecessors and its successor, will be discussed below, under their...
16From Benjamin Franklin to Peter Collinson, September 1753 (Franklin Papers)
Copy: Massachusetts Historical Society In my former Paper on this Subject, wrote first in 1747, enlarged and sent to England in 1749, I considered the Sea as the grand source of Lightning, imagining its luminous Appearance to be owing to Electric Fire, produced by Friction between the Particles of Water and those of Salt. Living far from the Sea I had then no opportunity of making Experiments...
17From Benjamin Franklin to Peter Collinson, 1752 (Franklin Papers)
Printed in Benjamin Franklin, Experiments and Observations on Electricity (London, 1769), pp. 350–4; also draft (fragment): American Philosophical Society. The earliest surviving reference to Franklin’s magic squares and circles is in a letter from James Logan, January 12, 1750 (see above, III , 458), asking him to bring copies of his work to Stenton. Actually, Franklin had first contrived...
18From Benjamin Franklin to Peter Collinson, 19 December 1756 (Franklin Papers)
Duplicate: Pierpont Morgan Library I have now the Pleasure of yours of the 7th and 10th. of September, and have received the old Book of Voyages, the Magazines for August, and Messrs. Hoadly and Wilson on Electricity. We have hitherto preserv’d a good Agreement with our new Governor; tho’ it seems that some evil Counsellors about him would fain get him into a Quarrel with us; but I hope it...
19From Benjamin Franklin to Peter Collinson, 21 May 1751 (Franklin Papers)
ALS : Pierpont Morgan Library Budden is arrived, and every thing you sent per him come safe to hand. Both the Library-Company and the Academy are exceedingly oblig’d to you, and would be glad of any Opportunity of serving you or any of your Friends. The Academy goes on as one could wish: We have excellent Masters, and the Boys improve surprizingly: The Number now 70 and daily encreasing. I...
20From Benjamin Franklin to Peter Collinson, 30 April 1764 (Franklin Papers)
ALS : The British Museum I have before me your kind Notices of Feb. 3. and Feb. 10. Those you enclos’d for our Friend Bartram, were carefully deliver’d. I have not yet seen the Squib you mention against your People, in the Supplement to the Magazine; but I think it impossible they should be worse us’d there than they have lately been here; where sundry inflammatory Pamphlets are printed and...