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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

The Sleepy Sportsman

Feast of the Bean King

The Poultry Woman

Work in Holland

in the 1600's

Published Onsigtbare Verborgentheden (Invisible Mysteries), Letters 38, 42, 43 (2nd)

Date:

January 1, 1691

Sources

Year	Author	Title
1685	Leeuwenhoek, A. van	Onsigtbare verborgentheden

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Related events:

Date	Event
January 1, 1685	Published Onsigtbare Verborgentheden (Invisible Mysteries), Letters 38, 42, 43 (L-152, L-150, L-128)
January 1, 1698	Published Onsigtbare Verborgentheden (Invisible Mysteries), Letters 38, 42, 43 (3rd)

Related letters:

What Leeuwenhoek wrote ...
Wrote Letter L-128 of 1683-07-16 to Christopher Wren about the procreation of frogs, sperm in fowl's egg, reproduction of rabbits, little animals in frog intestines, a theory about digestion in humans and fish, and blood
Wrote Letter L-150 of 1684-07-25 to Members of the Royal Society about parts of the brain of several animals, chalk stones of gout, leprosy, and the scales of eels
Wrote Letter L-152 of 1685-01-05 to Members of the Royal Society about salts in wine and vinegar and in the stomach, the eye, the need for food and water, Descartes's theory on smallest water particles, and a theory of taste - salt, sour and sweet

Related people:

Cornelis Boutesteyn

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