11From Benjamin Franklin to Peter Collinson, 22 November 1756 (Franklin Papers)
Duplicate: Pierpont Morgan Library; also extract: The Royal Society Since mine of the 5th...
12From Benjamin Franklin to Peter Collinson, 5 November 1756 (Franklin Papers)
ALS : Pierpont Morgan Library; also extract: The Royal Society The above is a Copy of my last,...
13From Benjamin Franklin to Peter Collinson, 23 September 1756 (Franklin Papers)
Duplicate: Pierpont Morgan Library I enclose three Bills, viz. A second for £50 Sterling, drawn...
14From Benjamin Franklin to Peter Collinson, 15 June 1756 (Franklin Papers)
ALS : University of Pennsylvania Library I can now only acknowledge the Receipt of your Favours...
15From Benjamin Franklin to Peter Collinson, 25 October 1755 (Franklin Papers)
Draft: American Philosophical Society The above is a Copy of my last. I hope you have receiv’d a...
16From Benjamin Franklin to Peter Collinson, 27 August 1755 (Franklin Papers)
ALS : Pierpont Morgan Library I received your Favours of May 28 and June 1. I believe I have...
17From Benjamin Franklin to Peter Collinson, 25 August 1755 (Franklin Papers)
MS not found; reprinted from Benjamin Franklin, Experiments and Observations on Electricity...
18From Benjamin Franklin to Peter Collinson, 26 June 1755 (Franklin Papers)
ALS : Pierpont Morgan Library Mr. Bartram brings a Box to my House, which has a little Vacancy in...
19From Benjamin Franklin to Peter Collinson, 29 December 1754 (Franklin Papers)
ALS : Pierpont Morgan Library I wrote a few Lines by a Vessel that went from hence about 2 Weeks...
20From Benjamin Franklin to Peter Collinson, 29 July 1754 (Franklin Papers)
ALS : American Philosophical Society I am just return’d from Albany, where were Commissioners...
21From Benjamin Franklin to Peter Collinson, 28 May 1754 (Franklin Papers)
Copy: American Philosophical Society I had at length the pleasure of hearing from you per the...
22From Benjamin Franklin to Peter Collinson, 18 April 1754 (Franklin Papers)
Copy: New-York Historical Society Since September last, having been abroad on two long Journeys,...
23From Benjamin Franklin to Peter Collinson, 1753 (Franklin Papers)
Transcript: Historical Society of Pennsylvania With regard to the Germans, I think Methods of...
24From Benjamin Franklin to Peter Collinson, 23 November 1753 (Franklin Papers)
MS not found; reprinted from Benjamin Franklin, Experiments and Observations on Electricity...
25From Benjamin Franklin to Peter Collinson, September 1753 (Franklin Papers)
Copy: Massachusetts Historical Society In my former Paper on this Subject, wrote first in 1747,...
26From Benjamin Franklin to Peter Collinson, 26 June 1753 (Franklin Papers)
ALS : Huntington Library I received a Letter from you on the Road hither, with one of the...
27From Benjamin Franklin to Peter Collinson, 9 May 1753 (Franklin Papers)
Copy: New York Public Library; also copies: Public Record Office, American Philosophical Society,...
28From Benjamin Franklin to Peter Collinson, 1752 (Franklin Papers)
Printed in Benjamin Franklin, Experiments and Observations on Electricity (London, 1769), pp....
29From Benjamin Franklin to Peter Collinson, 1752 (Franklin Papers)
I. MS not found; printed in Benjamin Franklin, Experiments and Observations on Electricity...
30From Benjamin Franklin to Peter Collinson, [October 1752] (Franklin Papers)
Printed in Benjamin Franklin, Supplemental Experiments and Observations on Electricity, Part II ....
31From Benjamin Franklin to Peter Collinson, 29 June 1751 (Franklin Papers)
Copy: The Royal Society In Capt. Waddels Account *Ph. Tr. No. 492. p. III . of the Effects of...
32From 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...
33From Benjamin Franklin to Peter Collinson, 4 February 1751 (Franklin Papers)
ALS : The Royal Society I receiv’d yours of Oct. 4. via New England, with the Account of what you...
34From Benjamin Franklin to Peter Collinson, 29 July 1750 (Franklin Papers)
Copy: American Academy of Arts and Sciences As you first put us on Electrical Experiments by...
35From Benjamin Franklin to Peter Collinson, 27 July 1750 (Franklin Papers)
Copy: American Academy of Arts and Sciences Mr. Watson I believe wrote his Observations on my...
36From Benjamin Franklin to Peter Collinson, [2 March 1750] (Franklin Papers)
MS not found; reprinted from The Gentleman’s Magazine , XX (1750), 208. I was very much pleased...
37From Benjamin Franklin to Peter Collinson, 29 April 1749 (Franklin Papers)
Copy: American Academy of Arts and Sciences I now send you some Further Experiments and...
38From Benjamin Franklin to Peter Collinson, 18 October 1748 (Franklin Papers)
ALS : Pierpont Morgan Library I have receiv’d your several Favours of April 1. June 2. June 14...
39From Benjamin Franklin to Peter Collinson, 14 August 1747 (Franklin Papers)
ALS : Pierpont Morgan Library I have lately written two long Letters to you on the Subject of...
40From Benjamin Franklin to Peter Collinson, 28 July 1747 (Franklin Papers)
Copy: American Academy of Arts and Sciences The inclosed is a Copy of my last, which went by the...