- de Meij
- de Molijn
- van den Berch
- Hogenhouck family
- Civic career
- Scientific career
- Delft in Holland
Wrote letter of 1674-12-26 (AB 14) to Constantijn Huygens
December 26, 1674
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 cover letter to Constantijn Huygens about enclosed excerpts from Letters 11  1674 09/07 and 13  1674 12/04.
Leeuwenhoek enclosed the red chalk drawing of the cow's optic nerve from the letter of December 4, 1674.