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Letters |
Wrote Letter L-461 of 1707-11-22 to the members of the Royal Society about a hairy substance, received with Letter L-460, supposedly excreted by a woman suffering from a kidney infection |
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Letters |
Wrote Letter L-462 of 1707-12-06 to the members of the Royal Society about the tongue of an ox, its skin and papillae, and the tongue of a pig with its papillae and muscle fibres |
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Letters |
Wrote Letter L-463 of 1708-01-01 to the members of the Royal Society about the composition of red coral, the effects when heated and when dissolved in aqua fortis and boiling rain water, and crystals in dissolved coral |
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Letters |
Wrote Letter L-464 of 1708-06-29 to the members of the Royal Society about his further observations of the white furry substance on his own tongue during attacks of fever |
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Letters |
Wrote Letter L-467 of 1708-08-28 to the members of the Royal Society about how an eel's heart and the valves in the vien of its tail work; his own pulse and pulsation of the heart of an eel and a pike |
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Letters |
Wrote Letter L-468 of 1708-10-09 to the members of the Royal Society about the mucous membrane in the palate and in the nose of a cow and about its tongue |
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Letters |
Wrote Letter L-470 of 1709-09-10 to Hans Sloane, a cover letter for the following Letter L-471 to John Chamberlayne. |
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Letters |
Wrote Letter L-471 of 1709-09-10 to John Chamberlayne about the cutting edge of a razor and its nicks as well as its setting and maintenance |
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Letters |
Wrote Letter L-472 of 1709-11-22 to John Chamberlayne about human beard hairs and muscle fibres of a cod, both cut off with a razor |
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Letters |
Wrote Letter L-474 of 1710-01-14 to the members of the Royal Society about Alexander Stuart's visit, blood circulation in eels, crystallisation of sugar, minerals from Hungary, and his new fish viewer for visitors to see blood circulating in an eel's tail |
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Letters |
Wrote Letter L-475 of 1710-02-21 to the members of the Royal Society about the shape and crystallization of diamonds |
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Letters |
Wrote Letter L-476 of 1710-06-06 to the members of the Royal Society about silver dissolved in aqua fortis |
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Letters |
Wrote Letter L-477 of 1710-11-11 to the members of the Royal Society about what happened when he dissolved gold dust from Guinea in aqua regia |
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Letters |
Wrote Letter L-479 of 1711-08-15 to Anthonie Heinsius as a cover letter for Philosophical Transactions, vol. 26, no. 319, with Leeuwenhoek's article on the pulse and copies of notes on gold from Guinea and hailstones |
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Letters |
Wrote Letter L-480 of 1711-08-18 to James Petiver about the sperm of young rams and to explain what happened when Petiver tried to visited |
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Letters |
Wrote Letter L-481 of 1711-09-22 to the members of the Royal Society about mites, their reproduction, eggs, larvae, a calculation of the size of a mite egg, the hair of a honey-bee, and metamorphis of larvae from dried fish into a full-grown animal |
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Letters |
Wrote Letter L-482 of 1711-11-23 to Anthonie Heinsius about claims by Fryer and Kircher supporting spontaneous generation, which Leeuwenhoek rejected; gold, copper, and silver dissolved in aqua fortis and the separation of gold and copper |
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Letters |
Wrote Letter L-483 of 1711-12-29 to Anthonie Heinsius, a cover letter for Letter L-484, naming the author of the article in Philosophical Transactions that he criticizes but does not name in the following letter, meant for publication |
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Letters |
Wrote Letter L-484 of 1711-12-29 to Anthonie Heinsius to refute an article in Philosophical Transactions; he calculates the quantity of blood propelled by each heartbeat and estimates how often the total blood volume circulates through the body |
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Letters |
Wrote Letter L-485 of 1712-03-01 to the members of the Royal Society about the skin and flesh of a whale, its seminal vessels, and its blood with comparisons to the blood of other fish |
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Letters |
Wrote Letter L-486 of 1712-04-12 to the members of the Royal Society about the structure of the genetalia of a female elephant and the structure of an elephant's skin |
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Letters |
Wrote Letter L-487 of 1712-06-10 to the members of the Royal Society about little animals on a mussel's shell, the ciliar motion of the gills, and the intestines and ovaries of mussels |
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Letters |
Wrote Letter L-488 of 1712-11-08 to Anthonie Heinsius, a cover letter for Letter L-489 |
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Letters |
Wrote Letter L-489 of 1712-11-08 to Anthonie Heinsius about the muscle fibres of a whale |
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Letters |
Wrote Letter L-490 of 1712-12-17 to Anthonie Heinsius about salts in the blood of a shrimp and the muscle fibres and enveloping membranes of cod, shrimp, flounder, and perch |
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Letters |
Wrote Letter L-491 of a few years before 1713 to Jan Meerman how barley is filling, but provides little nourishment, also about a membrane in the barley |
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Letters |
Wrote Letter L-492 of 1713-02-28 to Jan Meerman about wheat and barley grains, beans, peas, and chestnuts, vessels and membranes in coconut rind, and the embryo in an apple pip and in a coconut |
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Letters |
Wrote Letter L-493 of 1713-03-14 to Jan Meerman about the eye of a whale, the lens, and the cornea and calculations of the pressure on a whale's eye at great depth |
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Letters |
Wrote Letter L-494 of 1713-03-25 to Adriaen van Assendelft about little hairs of a mouse, mole, cat, and rabbit all have the same shape; thick, dark bear hair, composition and color of hair, hair of deer and elk |
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Letters |
Wrote Letter L-495 of 1713-03-29 to Anthonie Heinsius about the muscles of cows, muscle fibers of mice thinner than whales, fat particles, muscle fibers of sheep same size as of mice and oxen, though the animals differ greatly in size |
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Letters |
Wrote Letter L-496 of 1713-06-28 to the members of the Royal Society about little animals on duckweed, muscle fiber membranes, and a list of unanswered letters; little animals in his mouth come from rinsing glasses with pond water |
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Letters |
Wrote Letter L-497 of 1713-06-30 to Anthonie Heinsius about the composition of crabs’ eyes and lobster and crab shells, ring-shaped structures in lobster pincer shell, compared to annual rings of woody vegetation, and the lobster's muscle fiber membrane |
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Letters |
Wrote Letter L-499 of 1713-10-12 to Hans Sloane as a cover letter for a copy of Letter L-489 on muscle fibres of a whale and a request for new numbers of Philosophical Transactions and a list of fellows of the Society to be sent to relatives in Rotterdam |
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Letters |
Wrote Letter L-501 of 1713-10-24 to Antony Cinck refuting, as requested, Kircher's ideas about poisonous little animals on sage leaves and spontaneous generation |
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Letters |
Wrote Letter L-504 of 1714-06-22 to the members of the Royal Society to acknowledge Letter L-503 and numbers of Philosophical Transactions and to query why figures of the muscle fibres of whales were not published |
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Letters |
Wrote Letter L-507 of 1714-08-21 to the members of the Royal Society about the muscle fibres of cow, chicken, mouse, honeybee, flea, ant, and whale and the blood vessels in the leg of a fly; thanks for recent numbers of Philosophical Transactions |
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