Wrote Letter L-404 of 1702-04-20 to Karl von Hessen-Kassel about silkworms, the structure of the silk thread, and the organs that produce it, eyes, pincers, blood vessels, and cocoons, sperm from an adult silk moth, and the scales on its wings

Date: 
April 20, 1702
Standard reference information
L-number: 
L-404
Leeuwenhoek's number: 
146
Collected Letters number: 
236
Collected Letters volume: 
14

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 silkworms, the structure of the silk thread, and the organs that produce it, eyes, pincers, blood vessels, and cocoons, sperm from an adult silk moth, and the scales on its wings.