The Royal Society read part of Letter 90 [49] of 2 April 1686
Date:
May 22, 1686
The Royal Society read the first part of Letter 90 [49] of 2 April 1686. The letter ordered translated was probably Letter 92 [50] of 14 May 1686.
Document:
Birch, History, vol IV, p. p. 483, 12 May 1686 (O.S.) in London:
Part of a letter of Mr. Leewenhoeck , being in answer to one written to him March 2, 1685/6, was read, and the rest referred till another meeting.
Another letter of Mr. Leewenhoeck was produced, and ordered to be translated.