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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

The Wine Drinker

The Virginal Player

Work in Holland

in the 1600's

Instrument maker

Vessels and fibers of pig brain

Figure 9: piece of dried pig brain showing two blood vessels

Figure 10: section of pig brain showing fibers dividing and joining

Figure 11: section of pig brain showing fibers dividing and joining

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Related letters:

Wrote Letter L-549 of 1717-03-06 to the members of the Royal Society about pig brains, apples, and coconuts; blood circulation nourishes; new technique to examine brains; tea and coffee keep the blood thin

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