Wrote Letter 20 of 1677-05-14 (AB 32) to Henry Oldenburg

May 14, 1677
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Text of 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. A Latin translation was published in Hooke's posthumous Philosophical Experiments and Observations (1726) titled (in English) "Mr. Lewenhoek's Letter to Mr. Oldenburg, received from Dr. Crowe, Aug. 14, 1682. Of the Bibres of Muscles, Dura Mater, Brain, and Moxa."

Leeuwenhoek wrote this letter to Henry Oldenburg, complying with his request of February 22, about muscles, movement of fluids in fruits, moxa, etc. Asked for feedback.

The photo below of Leeuwenhoek's handwritten manuscript is from the first of the four volumes of Leeuwenhoek's original letters in the archives of the Royal Society. The photo was taken by Mike Peel < MikePeel.net > and is available on Wikimedia Commons.