1To Benjamin Franklin from Joseph Morgan, 11 October 1738 (Franklin Papers)
ALS : The Royal Society Please to fasten this to the Manuscript of Philosophy. And if it be gone, be so kind as to inclose it to the Royal Society by another Ship. You will oblige Your Friend and Servant Addressed: Mr Benjamin Franklin Post Master in Philadelphia A Second The additions referred to, written on the back of the letter, were to be attached to the MS mentioned in Morgan’s letter...
2To Benjamin Franklin from Joseph Morgan, 5 October 1738 (Franklin Papers)
ALS : The Royal Society If my Manuscripts be not gone before this comes to you; I have one Small Amendment (which happened thro’ too much hast). It is not far from the beginning, where I compare the Heat on Jupiter and the Earth. In Stead of Jupiter near 100 times as large in its Face to the Sun; it should be above 100 times &c. This yet makes my Argument the better. However it matters not...
3To Benjamin Franklin from Joseph Morgan, 7 July 1735 (Franklin Papers)
ALS : American Philosophical Society Sir, I have long expected to See the new Edition of The Temp. Inter. If it Sell like that which you last printed of mine, you may print many; for they are all gone and people enquire for more, and none to be had. I Sent, as you desired, the places marked in the Margin, where the Additions Should be Set. Have you the Manuscript of Additions, It refers to the...