1From Benjamin Franklin to Joseph Priestley, 27 January 1777 (Franklin Papers)
AL (incomplete) and copy: Library of Congress I received your very kind Letter of Feby. last, sometime in September. Major Carleton, who was so kind as to forward it to me had not an Opportunity of doing it sooner. I rejoice to hear of your continual Progress in those useful Discoveries. I find that you have set all the Philosophers of Europe at Work upon Fix’d Air; and it is with great...
2To Benjamin Franklin from Joseph Priestley, 27 September 1779 (Franklin Papers)
ALS : American Philosophical Society Though you are so much engaged in affairs of more consequence, I know it will give you some pleasure to be informed that I have been exceedingly successful in the prosecution of my experiments since the publication of my last volume. I have confirmed, explained, and extended my former observations on the purification of the atmosphere by means of...
3To Benjamin Franklin from Joseph Priestley, [before 8 February 1780] (Franklin Papers)
AL : American Philosophical Society Having so good an opportunity of conveying a letter safely to you, I thought it might not be amiss to give you a general idea of my present situation, not with a view to any particular request or proposal, but only thinking it right, that a few of my best friends should know it in confidence , as it is possible that something or other may occur to them which...
4To Benjamin Franklin from Joseph Priestley, 10 July 1782 (Franklin Papers)
ALS : University of Pennsylvania Library I am far from meaning [to] trouble you with letters of recommendation for English Travellers. The bearer of this, Dr Stokes, is a promising young man, who will think himself happy in getting only a sight of you, and in this I hope you will have no objection to indulge him. I have given him letters to other persons, who, I hope, will shew him such...
5To Benjamin Franklin from Joseph Priestley, 21 December 1780 (Franklin Papers)
ALS : American Philosophical Society I was much affected with your very friendly letter, and the advice which accompanied it. This I should have followed if it had depended upon myself. But not long after Ld. Shelburne told Dr Price, that I was of no use to him, and that he wished to fix me in an academy which he talked of establishing in Ireland. This being communicated to me, I replied,...
6To Benjamin Franklin from Joseph Priestley, 8 May 1779 (Franklin Papers)
ALS : American Philosophical Society The person who will deliver this letter is a priest of the Roman Catholic persuasion, and one of my antagonists in metaphysical matters, but a man of a very liberal disposition, and with whom I have spent many an agreeable hour. He is so obliging as to undertake to deliver to you my Treatise on Education , and my Correspondence with Dr Price . I shall very...
7From Benjamin Franklin to [Joseph Priestley], 16 May 1775 (Franklin Papers)
Printed in Benjamin Vaughan, ed., Political, Miscellaneous, and Philosophical Pieces . . . Written by Benj. Franklin . . . (London, 1779), pp. 550–1. You will have heard before this reaches you, of a march stolen by the regulars into the country by night, and of their expedition back again. They retreated 20 miles in [6] hours. The Governor had called the Assembly to propose Lord North’s...
8To Benjamin Franklin from Joseph Priestley: Extract, 12 December 1782 (Franklin Papers)
Translation of extract: American Philosophical Society Je n’ai eu que peu de Soleil; mais j’en ai profité pour faire plusieurs Observations nouvelles: Je ne vous rendrai Compte maintenant que de la derniere qui est assèz remarquable, et qui pourra vous donner quelque plaisir ainsi qu’à vos Amis. Je convertis en peu de temps l’ Eau pure en Air permanent , Poids pour Poids, en la combinant...
9From Benjamin Franklin to Joseph Priestley, 3 October 1775: extract (Franklin Papers)
Extract printed in Benjamin Vaughan, ed., Political, Miscellaneous, and Philosophical Pieces . . . Written by Benj. Franklin . . . (London, 1779), pp. 365–6. I am to set out to-morrow for the camp, and having but just heard of this opportunity, can only write a line to say that I am well and hearty. Tell our dear good friend . . ., who sometimes has his doubts and despondencies about our...
10From Benjamin Franklin to [Joseph Priestley?], May 1775 (Franklin Papers)
Unfinished draft: Library of Congress During his voyage to Philadelphia Franklin made the observations on the sea that appear above under April 10. On May 16 he promised in a letter to Priestley to communicate to him “a valuable philosophical discovery” that he had made on the voyage; years later William Temple Franklin conjectured, in a note on that letter, that the discovery was related to...