1To Benjamin Franklin from John Perkins, 17 February 1752 (Franklin Papers)
ALS : American Philosophical Society I received your Bill by the last Post and thank you for it...
2To Benjamin Franklin from John Perkins, 3 August 1752 (Franklin Papers)
ALS : American Philosophical Society This comes to you on account of Dr. Douglass. He desired me...
3To Benjamin Franklin from John Perkins, 16 October 1752 (Franklin Papers)
ALS : American Philosophical Society I received yours of Septr. with the Observations for which I...
4To Benjamin Franklin from John Perkins, 23 October 1752 (Franklin Papers)
ALS and AL : American Philosophical Society In the Inclos’d you have all I have to say of that...
5To Benjamin Franklin from John Perkins, February 1753 (Franklin Papers)
ALS and AD : American Philosophical Society I send you inclosed a Short account of a Me[teor?]....
6To Benjamin Franklin from John Perkins, 14 May 1753 (Franklin Papers)
Printed in Benjamin Franklin, Experiments and Observations on Electricity (London, 1769), pp....
7John Perkins: Causes of Water Spouts, 1753 (Franklin Papers)
AD : American Philosophical Society Spouts have been generally believ’d Ascents of water from...
8To Benjamin Franklin from John Perkins, 12 March 1770 (Franklin Papers)
ALS : American Philosophical Society When I imagin myself possess’d of any new Thought I think...
9To Benjamin Franklin from John Perkins, 12 March 1770 (Franklin Papers)
ALS : American Philosophical Society Just as I was about inclosing my papers it came in my head...