Wrote Letter L-189 of 1687-07-11 to members of the Royal Society about eggs of silkworms and caterpillars and humans' squinting and a theory for its cause

Date: 
July 11, 1687
Standard reference information
L-number: 
L-189
Leeuwenhoek's number: 
56
Collected Letters number: 
101
Collected Letters volume: 
6

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.

The original manuscript, written and signed by Leeuwenhoek, is preserved at the Royal Society (MS. 1922. L 2. 13).