The Royal Society ordered that Letter L-194 be translated
Date:
December 11, 1687
Document:
Birch, History, vol IV, p. 556, 1 December 1687 (O.S.) in London:
A letter of Mr. LEEWENHOECK, containing his microscopical observations on cochineal and the Jesuit's bark, or chinachina, was produced, and ordered to be translated.