Wrote Letter L-347 of 1698-09-20 to Anthonie Heinsius about blood circulation in an eel's tail, the transition of arterial into venous capillaries, and the connection between the thickness of the wall of the blood vessels and the viscosity of the blood

Date: 
September 20, 1698
Standard reference information
L-number: 
L-347
Leeuwenhoek's number: 
112
Collected Letters number: 
195
Collected Letters volume: 
12

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 the blood circulation in the tail of a young eel. Description of the transition of arterial into venous capillaries. About the connection between the thickness of the wall of the blood vessels and the viscosity of the blood.