Wrote Letter L-446 of 1706-03-19 to the members of the Royal Society about an East Indian tree and mixing his own blood with the crushed seed of the tree and water, the effects of a drink made from hemp seed, and a dissected hemp seed

Date: 
March 19, 1706
Standard reference information
L-number: 
L-446
Leeuwenhoek's number: 
170
Collected Letters number: 
263
Collected Letters volume: 
15

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 …

Description of an East Indian tree. Investigating the effect of an extract of the seeds of that tree on the coagulation of the blood. Salts deriving from that extract. On the effect of a drink from hempseed. Description of oil from hempseed and the embryo of that seed.

An account of the properties of the East Indian tree 'Euwane' and mixing Leeuwenhoek's blood with the crushed seed of the tree and water; the effects of a drink made from hempseed; a dissected hempseed