11From 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...
12From 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...
13From 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...
14From 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...
15From Benjamin Franklin to Peter Collinson, [October 1752] (Franklin Papers)
Printed in Benjamin Franklin, Supplemental Experiments and Observations on Electricity, Part II ....
16From Benjamin Franklin to Peter Collinson, 1752 (Franklin Papers)
Printed in Benjamin Franklin, Experiments and Observations on Electricity (London, 1769), pp....
17From Benjamin Franklin to Peter Collinson, 1752 (Franklin Papers)
I. MS not found; printed in Benjamin Franklin, Experiments and Observations on Electricity...
18From Benjamin Franklin to Peter Collinson, 9 May 1753 (Franklin Papers)
Copy: New York Public Library; also copies: Public Record Office, American Philosophical Society,...
19From 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...
20From Benjamin Franklin to Peter Collinson, September 1753 (Franklin Papers)
Copy: Massachusetts Historical Society In my former Paper on this Subject, wrote first in 1747,...