Wrote Letter L-329 of 1697-09-10 to the members of the Royal Society about small white eggs mixed with earth, a pulsating pulmonary vein in an egg, Roman snails, the rootlets of a wheat grain, one of his own teeth, and young oysters

September 10, 1697
Standard reference information
Leeuwenhoek's number: 
Collected Letters number: 
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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 …

small white eggs mixed with earth; a pulmonary vein in an egg which was pulsating; Roman snails; the rootlets of a wheat grain; further a tooth which Leeuwenhoek extracted from himself; young oysters