| Description | Signed autograph
Observations of the testicles and spermatozoids of a rat; hopes to examine the semen of mussels; observations of organisms in the gills of oysters; observations of organisms in the sap of vines
Two ink figures: one of sperm and one of a testicle of a rat in a jar of water
EL/H3/73 for Robert Hooke's partial translation
Transcribed and translated in 'Alle de brieven van Antoni van Leeuwenhoek', edited, illustrated and annotated by Committee of Dutch Scientists, vol 3, p 201
English extract printed in 'Philosophical Transactions', vol 17, no 196, p 593 |
| Place origin | Delft, South Holland, (United Provinces) Netherlands |