Royal Society read Letter L-572 about muscle fibers and iron

May 21, 1722

The date is New Style, which was eleven days ahead of the Old Style date of 10 May 1722 used in London.


Royal Society, Journal Book Original, vol. 13, p. 193-95. It includes a long, detailed summary of the letter and ends, “Mr. Leeuwenhoeck was ordered thanks”, which Jurin did in Letter L-575 of 26 May 1722 (dated 15 May 1722 O.S.).