The Royal Society ordered that Letter L-186 about teeth be translated
Date:
April 16, 1687
Document:
Birch, History, vol IV, p. 530, 6 April 1687 (O.S.) in London:
A letter of Mr. LEEWENHOECK, dated at Delft, April 4, 1687, N.S. concerning the structure of the teeth, was produced, and ordered to be translated against the next meeting.