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Wrote Letter L-191 of 1687-08-06 to Robert Boyle about his recent letters |
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Letters |
Wrote Letter L-192 of 1687-09-09 to members of the Royal Society about ant eggs, larvae and its development, feeding, sting, cocoon and nest |
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Wrote Letter L-193 of 1687-10-17 to members of the Royal Society about amber, 'burned paper' from the sky, rotifers, maggots, blow flies, the stinging hairs of nettles, and the East-Indian centipede |
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Wrote Letter L-194 of 1687-11-28 to members of the Royal Society about his discovery that cochineal was an insect and his experiments with cinchona bark |
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Letters |
Wrote Letter L-195 of sometime in 1688 to Robert Boyle, now lost |
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Letters |
Wrote Letter L-196 of 1688-05-25 to members of the Royal Society about a medicinal root and bladderstones |
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Letters |
Wrote Letter L-197 of 1688-07-06 to the members of the Royal Society bezoar stone, monkey stone, gout tubercles, and red coral and white coral |
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Wrote Letter L-198 of 1688-08-03 to the members of the Royal Society about plaster, alabaster, gypsum, Muscovite glass, cobblestone, shell lime, masonry mortar, lime, cement, sand stone, and slate |
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Wrote Letter L-199 of 1688-08-24 to the members of the Royal Society about gnats, horseflies; growth of branches, germination of wheat plants, the soft and hard roe of cod, and the number of sperm in a cod's soft roe |
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Wrote Letter L-200 of 1688-09-07 to the members of the Royal Society about development of the eggs of green frogs, blood circulation in frogs and the tail fin of roach and bream, and the shape of red blood cells |
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Wrote Letter L-201 of 1688-09-23 to Melchisedec Thevenot, a cover letter for a copy of Leeuwenhoek's Letter L-200, published separately as Den waaragtigen omloop des bloeds. |
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Letters |
Wrote Letter L-202 of sometime in 1689 to Antonio Magliabechi, a cover letter for one of his books |
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Letters |
Wrote Letter L-203 of 1689-01-12 to Robert Boyle, a cover letter for Continuatio epistolarum and a copy of Letter L-204 |
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Letters |
Wrote Letter L-204 of 1689-01-12 to the members of the Royal Society about his observation of the circulation of the blood in a variety of fish as well as a description of the construction of his ‘eel spy-glass’ and the slime on the skin of an eel |
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Wrote Letter L-206 of 1689-04-01 to the members of the Royal Society |
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Letters |
Wrote Letter L-207 of October 1689 to Christiaan Huygens about sending books to his brother Constantijn Huygens in London |
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Letters |
Wrote Letter L-210 of 1691-09-18 to Antonio Magliabechi about |
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Letters |
Wrote Letter L-212 of 1691-11-27 to the members of the Royal Society about blood, chyle, and an experiment to discover the volume of water when it is cold and when it is heated |
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Letters |
Wrote Letter L-213 of 1692-01-04 to the members of the Royal Society about bladder and kidney stones and a chalk-like substance from a gout stone |
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Letters |
Wrote Letter L-214 of 1692-02-01 to the members of the Royal Society about various peppers and their taste, tea and its effects of tea on digestion, and Spanish fly |
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Letters |
Wrote Letter L-216 of 1692-03-07 to the members of the Royal Society about corn-weevels, corn-moths, caterpillars, butterflies, calanders, lice in corn-lofts, little animals in rain water, black-flies in blossoms, and maggots in cheese |
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Wrote Letter L-217 of 1692-04-22 to Richard Waller about the construction of an air pump and experiments with different liquids, seeds and small stones in urine, a hog's hair in the skin of a child, and grains of wheat |
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Wrote Letter L-218 of 1692-06-24 to the members of the Royal Society about more experiments with his air-pump, the structure of and blood in an insect's wing, a grey owlet moth, and the wing of a very small fly |
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Letters |
Wrote Letter L-220 of 1692-08-12 to the members of the Royal Society about the shaft of a bird's feather as used in a quill, the lens and cornea of the human and calf eyes, 'wood-pipes' in different species of wood, bulrushes, and pine and lime wood |
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Wrote Letter L-221 of 1692-09-16 to the members of the Royal Society about little animals in dental tartar, theories of eel reproduction, worms in eel intestines, and blood vessels in grasshoppers |
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Wrote Letter L-222 of 1692-09-23 to Mary, Queen of Great Britain, the dedication to Derde Vervolg der Brieven |
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Letters |
Wrote Letter L-225 of 1693-07-01 to Richard Waller, cover letter for a volume in Latin and confirmation of receipt of Letter L-224 |
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Letters |
Wrote Letter L-228 of 1693-10-15 to the members of the Royal Society about colors and the life cycle of fleas |
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Wrote Letter L-229 of 1693-10-27 to Pieter Rabus about procreation of the flea, the leather-jacket, and the mite |
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Letters |
Wrote Letter L-230 of 1693-12-08 to Richard Waller, a cover letter |
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Letters |
Wrote Letter L-231 of 1693-12-20 to the members of the Royal Society about spiders, lice, and mites |
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Letters |
Wrote Letter L-232 of 1694-01-19 to Richard Waller as a cover letter for Letter L-231 |
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Letters |
Wrote Letter L-233 of 1694-01-24 to the members of the Royal Society about tapeworms and salt and sand in cod intestines |
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Letters |
Wrote Letter L-235 of 1694-02-12 to Richard Waller as a cover letter for Letter L-233 |
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Letters |
Wrote Letter L-236 of 1694-02-24 to the members of the Royal Society about his experiments with solid phosphorus |
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Letters |
Wrote Letter L-239 of 1694-03-02 to the members of the Royal Society about ear wax and hair, body hair, the amount of sweat secreted from the human body, and the possibility that sperm might penetrate the ovum |
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