1To Benjamin Franklin from Robert Alexander, 3 September 1770 (Franklin Papers)
ALS : American Philosophical Society Since my return to Scotland, I have been some days in the Country by which means I did not receive your Letter before yesterday. I return you a Thousand Thanks for the Trouble you have taken about the Harpsichord, the one you describe at 33 Guineas is precisely what is wanted and therefore you will please give orders to have it immediately packt up and Sent...