1William Watson to the Royal Society, 20 December 1752 (Franklin Papers)
Printed in The Royal Society, Philosophical Transactions , XLVII (1751–52), 567–70. After the...
2Members of the Purfleet Committee to the Royal Society, [after 10 December 1772 and before 17 December? 1772] (Franklin Papers)
AL (incomplete draft): American Philosophical Society On December 8 Benjamin Wilson, the vocal...
3Report of the Purfleet Committee to the Royal Society, 18 November 1773 (Franklin Papers)
ALS : the Royal Society In pursuance of your Appointment of Sepr. 9th last, we went to Purfleet,...