Wrote Letter L-245 of 1694-09-14 to Richard Waller about blood circulation and having sent six copies of his portrait to London
Date:
September 14, 1694
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
Leeuwenhoek wrote this letter about having two weeks previously sent a six copies of hismezzotint portrait by Jan Verkolje to the Royal Society. Most of the letter is about different opinions on the circulation of blood in animals.