51To Benjamin Franklin from Benjamin Vaughan and Samuel Vaughan, Jr., 29 January 1783 (Franklin Papers)
AL : American Philosophical Society Messrs: Vaughan have the honor to present their respects to Dr: Franklin. A prior engagement obliges them with the most extreme regret to decline the pleasure of waiting upon him on sunday, agreeable to his kind invitation. Mr: Vaughan has the honor to inclose a list of some books sold by the same bookseller who furnished Mr V with the copy of the Politique...
52To Benjamin Franklin from Benjamin Vaughan, 31 December 1782 (Franklin Papers)
ALS : American Philosophical Society I inclose you an extract of a letter from Dr. Priestley to my brother William, on the subject of his late supposed discovery. At the same time I inform you that I have procured a small glass jar, for the purpose of observing the cause of the phœnomenon of the small bits of tea-leaves, which you find whirled to the centre of the bottom of your breakfast cup,...
53To Benjamin Franklin from Benjamin Vaughan, 8 August 1783 (Franklin Papers)
ALS : Library of Congress I beg to introduce to your kind regards one of my best respected friends, Mr Dugald Stewart, who though as yet little known out of Scotland, is one of the best known men in it. He stands in the very first class of their mathematicians & literary men. He has twice at a day’s warning taken up Dr. Adam Ferguson’s lectures in Moral Philosophy, & twice completely excelled...