Wrote letter L-174 of 1686-04-14 to Antonio Magliabechi, now lost
Date:
April 14, 1686
Notes about the letter in Alle de Brieven. The Collected Letters at the DBNL - De Digitale Bibliotheek voor de Nederlandse Letteren. The letter was never published and the manuscript is lost. We know about this letter only from Leeuwenhoek's mention of it in Letter L-182 to Magliabechi six months later on 30 October 1686.
I have replied to Your Honour's most courteous and agreeable letter of the 16th March, Most Illustrious. Highly Learned and very Renowned Sir, by my missive of the 14th April
Collected Letters dates the 16 March letter as 12 April.