Wrote letter of 1685-08-10 (AB 86) to Anthonie Heinsius

August 10, 1685
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Text of an excerpt from the letter in the original Dutch and in English translation from Alle de Brieven. The Collected Letters at the DBNL - De Digitale Bibliotheek voor de Nederlandse Letteren. It was never printed and the manuscript is lost.

We know of this letter to Heinsius and the following letter of September 10, both about cochineal, because Leeuwenhoek quoted from both in Letter 60 of November 28, 1687 (AB 105) to Members of the Royal Society.