1To Benjamin Franklin from Peter Collinson, 25 April 1750 (Franklin Papers)
ALS : American Philosophical Society I wish I have before this advised my Worthy Friend that his pacquet per Cap. Clark came at last to my Hands, with the Electrical Papers, which are now on the Press under the Inspection and Correction of our Learned and Ingenious Friend Doctor Fothergill for Wee thought it a great Pitty that the Publick should be deprived the benefit of so many Curious...