The Royal Society read and discussed Leeuwenhoek's letter of June 1, 1674
Date:
November 12, 1674
Document:
Birch's History, vol. III, p. 143, 12 November 1674 (O.S.) in London:
Mr. OLDENBURG was desired to produce Mr. LEEWENHOECK'S observations concerning air, blood, &c.
