Complete Collected Letters

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Master list (pdf) of all 602 L-numbers, their Leeuwenhoek number, and their Collected Letters number

Life in Holland

in the 1600's

Man Writing a Letter

Feast of the Bean King

The Wine Drinker

Work in Holland

in the 1600's

Philosophical Transactions, vol. 31, no. 367 published with two letters by Leeuwenhoek, L-565 and L-568

Date:

May 11, 1721

The date is New Style, which was eleven days ahead of the Old Style date of 30 April 1721 used in London.

Sources

Year	Author	Title
1665	various	Philosophical Transactions
1720	Leeuwenhoek, A. van	Observations upon the Membranes Enclosing the Fasciculi of Fibres, into Which a Muscle is Divided. By Mr. Leeuwenhoek, F. R. S. Translated by Dr. Sprengell, F. R. S.
1720	Leeuwenhoek, A. van	Observations upon the Vessels in Several Sorts of Wood, and upon the Muscular Fibres of Different Animals. By the Same Curious and Inquisitive Person

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Related letters:

What Leeuwenhoek wrote ...
Wrote Letter L-565 of 1720-01-09 to the members of the Royal Society about muscle fibres and membranes of a cow, mites on the flesh of a whale, and the nerves around the muscle fibres and tendons of a cow
Wrote Letter L-568 of 1721-01-24 to the members of the Royal Society about vessels in wood from Ambon (Indonesia), oakwood, and pinewood, the muscle fibres of a cow, a whale, and a mouse, and the structure of a red blood cell