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Letters |
Wrote Letter L-296 of 1696-07-16 to Frederik Adriaan van Reede about the male and female sexual organs of oysters and their larvae |
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Letters |
Wrote Letter L-297 of 1696-07-23 to Pieter Rabus honey-dew on lime-trees; moisture from vine tendrils leads to a theory on the production of lacquer in tropical trees; his Delft friend has lost the capacity to handle the dowsing-rod |
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Letters |
Wrote Letter L-300 of 1696-08-26 to Frederik Adriaan van Reede about plant-lice, its embryos and parasitization, black flies and their caterpillars on apple-trees, and English oysters from Zierikzee |
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Letters |
Wrote Letter L-301 of 1696-08-28 to Antonio Magliabechi to acknowledge receipt of Letter L-293, to inquire about the reaction of the grand duke to his work, and to thank Magliabechi for sending printed matter and book news from Italy |
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Letters |
Wrote Letter L-302 of 1696-08-29 to Hendrik van Bleyswijk about oak-wood containing beetle larvae, which appeared to be able to feed on wood, and the cause of the differences in quality of oak-wood |
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Letters |
Wrote Letter L-303 of 1696-09-07 to thank Magliabechi for Letter L-290 of 5 June and Letter L-293 of 8 July 1696 and to request that Magliabechi spare him exaggerated praise henceforth |
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Letters |
Wrote Letter L-305 of 1696-09-27 to Hendrik van Bleyswijk about the age of fishes, especially herring, using scales and the structure of greater weever's spine and the painfulness of its sting |
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Letters |
Wrote Letter L-306 of 1696-10-26 to Maarten Etienne van Velden to accompany a presentation copy of his printed letters, Sesde Vervolg Der Brieven (Sixth Continuation of the Letters) |
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Letters |
Wrote Letter L-307 of 1696-10-30 to a "gentleman in Brabant", a cover letter accompanying a copy of Sesde Vervolg der Brieven |
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Letters |
Wrote Letter L-309 of "latter part" of 1696 to Harmen van Zoelen about what I had learned from an East India Trader |
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Letters |
Wrote Letter L-314 of 1697-02-12 to Maarten Etienne van Velden, regretting Van Velden's difficulties caused by his defence of Copernicus and in support, enclosing a copy of a letter from a gentleman in Brabant |
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Letters |
Wrote Letter L-315 of 1697-02-19 to Hans Sloane about sending Sesde Vervolg der Brieven and wanting to receive the latest Philosophical Transactions and the works of Malpighi |
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Letters |
Wrote Letter L-316 of 1697-03-25 to the members of the Royal Society as a cover letter to Continuatio Arcanorum Naturae |
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Letters |
Wrote Letter L-318 of 1697-04-05 to the members of the Royal Society about experiments with magnets, a meniscus in a glass, and patients given 'sympathetic' powder as a medicine by a German quack doctor |
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Letters |
Wrote Letter L-320 of May 1697 to Victor van Beughem about how to distribute the enclosed copies of Continuatio Arcanorum Naturae |
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Letters |
Wrote Letter L-323 of 1697-06-06 to Antonio Magliabechi about marine fossils found in mountain rocks and the present of copies of Continuatio Arcanorum Naturae sent to Florence |
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Letters |
Wrote Letter L-324 of 1697-07-01 to Luca Giamberti to request that he send Magliabechi's gift book by a freighter from Cologne via Düsseldorf to Dordrecht |
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Letters |
Wrote Letter L-328 of 1697-09-03 to Jan van Leeuwen about ears of wheat with smut and a theory of fungous disease in grain; refutes the notion that honey-dew causes smut ears |
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Letters |
Wrote Letter L-329 of 1697-09-10 to the members of the Royal Society about small white eggs mixed with earth, a pulsating pulmonary vein in an egg, Roman snails, the rootlets of a wheat grain, one of his own teeth, and young oysters |
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Letters |
Wrote Letter L-330 of 1697-11-02 to Antonio Magliabechi to thank him for two of his letters and to complain that the book sent to him has not yet arrived |
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Letters |
Wrote Letter L-331 of sometime between late December 1697 and mid-January to Johan Arnoldi about the book that Magliabechi had sent |
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Letters |
Wrote Letter L-334 of 1698-01-19 to Govert Bidloo about how little animals get into the human body through canal water and food preparation |
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Letters |
Wrote Letter L-335 in February 1698 to Johan Arnoldi that he should do whatever it takes to get the book that Magliabechi sent and that he will reimburse whatever it costs |
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Letters |
Wrote Letter L-336 of 1698-02-20 to Antonio Magliabechi about problems during the transport of the book that Magliabechi had sent to Leeuwenhoek as a present |
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Letters |
Wrote Letter L-340 to Johan Arnoldi that he will reimburse him for his expenses in getting the book |
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Letters |
Wrote Letter L-341 around April 1698 to Harmen van Zoelen about using plaster to whitewash wooden storage containers to prevent damage from worms |
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Letters |
Wrote Letter L-342 of 1698-04-17 to Antonio Magliabechi that the book had at last arrived and received a place of honour in his house |
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Letters |
Wrote Letter L-343 of 1698-05-09 to the members of the Royal Society about the compound eye of a beetle and the number of facets, the human cornea, drone flies, and gnat brains and leg muscles |
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Letters |
Wrote Letter L-346 of 1698-08-14 to Antonio Magliabechi about payment for and arrival of a book sent by Magliabechi as a present as well as an enclosed catalogue of an art collection of the Mennonite minister A. van Beusecom |
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Letters |
Wrote Letter L-347 of 1698-09-20 to Anthonie Heinsius about blood circulation in an eel's tail, the transition of arterial into venous capillaries, and the connection between the thickness of the wall of the blood vessels and the viscosity of the blood |
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Letters |
Wrote Letter L-349 of 1698-12-17 to Harmen van Zoelen to defend himself against Hartsoeker's claim to have been the first to discover sperm |
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Letters |
Wrote Letter L-352 of 1699-02-01 to a "right honorable sir" about his inspection of a mineral containing gold and silver from the Salida mine in Sumatra; his theory about the formation of gold and silver ores |
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Letters |
Wrote Letter L-353 of February 1699 to Johan Arnoldi about how he can repay Leeuwenhoek |
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Letters |
Wrote Letter L-354 of 1699-02-28 to Antonio Magliabechi about reimbursement for Arnoldi's expenses for the book that Leeuwenhoek finally received |
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Letters |
Wrote Letter L-355 of 1699-04-26 to Harmen van Zoelen about the damage caused to mace by insects and their larvae, damage to bamboo, and the biting and stinging of noxious white ants and the struggle against them by chalking of wood |
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Letters |
Wrote Letter L-356 of 1699-06-09 to the members of the Royal Society to dispute Dalenpatius's 'Nouvelles de la Republique des lettres', in which sperm are described as having the shape of the human body |
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