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.

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