71From Benjamin Franklin to Peter Collinson, 22 November 1756 (Franklin Papers)
Duplicate: Pierpont Morgan Library; also extract: The Royal Society Since mine of the 5th...
72From 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...
73From 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...
74To Benjamin Franklin from Peter Collinson, 14 September 1749 (Franklin Papers)
ALS : Historical Society of Pennsylvania I was unwilling to loose the Opertunity per Cap. Rice—So...
75From 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...
76To Benjamin Franklin from Peter Collinson, 11 July 1750 (Franklin Papers)
ALS : Library Company of Philadelphia If I catch the Bagg before its taken away its more than I...
77From Benjamin Franklin to [Peter Collinson?], 12 April 1764 (Franklin Papers)
ALS : Charles E. Feinberg, Detroit, Michigan (1960) We have just now receiv’d the following...
78From Benjamin Franklin to Peter Collinson, 1752 (Franklin Papers)
I. MS not found; printed in Benjamin Franklin, Experiments and Observations on Electricity...
79To Benjamin Franklin from Peter Collinson, 27 January 1753 (Franklin Papers)
ALS : American Philosophical Society Tho’ I am much engaged yett I cannot Lett Mesnard Sail...
80From 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...