|
September 14, 1694 |
Wrote Letter L-245 of 1694-09-14 to Richard Waller about blood circulation and having sent six copies of his portrait to London |
|
November 30, 1694 |
Wrote Letter L-246 of 1694-11-30 to Pieter Rabus about about dragon-fly eyes and eggs, crab eyes, vertebrate corneas, another rejection of spontaneous generation, and the impregnation of women |
|
April 10, 1695 |
Wrote Letter L-247 of 1695-04-10 to Anthonie Heinsius about blood and its circulation in a crab's leg, crystals in evaporated crab blood, and the hairs on a crab's leg |
|
April 22, 1695 |
Wrote Letter L-248 of 1695-04-22 to Frederik Adriaan van Reede about the apple-blossom weevil, its larvae, their danger, and their metamorphosis and the reproduction of black flies on apple tree blossoms |
|
May 1, 1695 |
Wrote Letter L-251 of 1695-05-01 to Anthonie Heinsius about weevils, nutmegs and their safe storage, and tobacco seeds and their germination |
|
May 18, 1695 |
Wrote Letter L-253 of 1695-05-18 to Frederik Adriaan van Reede about the apple-blossom weevil, caterpillars and the metamorphosis of the small ermine moth, and parasitic flies |
|
May 21, 1695 |
Wrote Letter L-254 of 1695-05-21 to Pieter Rabus about the eggs and blood vessels of the ray |
|
May 23, 1695 |
Wrote Letter L-255 of 1695-05-23 to Maarten Etienne van Velden about the impossibility of small flies being generated from the body of a big dead caterpillars, again refuting the theory of spontaneous generation |
|
July 10, 1695 |
Wrote Letter L-260 of 1695-07-10 to Frederik Adriaan van Reede about aphids, their reproduction, and the unsuccessful search for male aphids |
|
July 12, 1695 |
Wrote Letter L-261 of 1695-07-12 to Maarten Etienne van Velden about the metamorphosis of caterpillars and of parasitic larvae coming out of a dead caterpillar |
|
July 20, 1695 |
Wrote Letter L-262 of 1695-07-20 to Anthonie Heinsius about about scales from his own skin, wool threads from his stockings, salt from his sweat, and air bubbles and salt crystals from his ear wax |
|
July 21, 1695 |
Wrote Letter L-263 of 1695-07-21 to Pieter Rabus about the report that a large caterpillar emerged from a woman's ear and fumigation with sulphur to remove it; Leeuwenhoek cannot find any mites in his own auditory canal |
|
August 15, 1695 |
Wrote Letter L-264 of 1695-08-15 to Frederik Adriaan van Reede about oysters and their larvae, repudiating spontaneous generation |
|
August 15, 1695 |
Wrote Letter L-265 of 1695-08-15 to Antonio Magliabechi, the dedication of Arcana Naturae Detecta |
|
August 16, 1695 |
Wrote Letter L-266 of 1695-08-16 to inform Antonio Magliabechi that he has dedicated Arcana Naturae Detecta to him; he mentions the visit of the Elector Palatine |
|
August 18, 1695 |
Wrote Letter L-267 of 1695-08-18 to Anthonie Heinsius about detonating gunpowder in a closed glass bulb and measuring the increase in volume after the explosion; in a partial vacuum, glass bulbs may implode |
|
August 20, 1695 |
Wrote Letter L-268 of 1695-08-20 to Frederik Adriaan van Reede about again about oysters and their sperm and aphids and other parasites |
|
September 10, 1695 |
Wrote Letter L-270 of 1695-09-10 to Pieter Rabus about his attempt to breed maggots with his own ear-wax as food and a movement in his ear due to the vibration of a little hair against the ear-drum |
|
September 18, 1695 |
Wrote Letter L-271 of 1695-09-18 to Johann Wilhelm von Pfalz-Neuburg about swan mussel sperm, eggs, embryos, and locomotion, small animals as food for larger ones and oysters and their larvae; he again refutes spontaneous generation |
|
October 18, 1695 |
Wrote Letter L-274 of 1695-10-18 to Antonio Magliabechi to accompany a parcel of books, which Leeuwenhoek gave to Baron Bettino Riasoli for delivery |
|
October 31, 1695 |
Wrote Letter L-276 of 1695-10-31 to Magliabechi to acknowledge the receipt of Magliabechi's Letter L-272, to report on the books he sent and on his recent Letter L-271 to Johann Wilhelm von Pfalz-Neuburg |
|
November 3, 1695 |
Wrote Letter L-279 of 1695-11-03 to Johann Wilhelm von Pfalz-Neuburg about larvae from swan mussels, little animals in water taken out of swan mussels, and extracts from letters to Oldenburg and Brouncker about the quantity of little animals |
|
December 1, 1695 |
Wrote Letter L-281 of 1695-12-01 to Frederik Adriaan van Reede, the dedication of the Fifth Continuation of the Letters (Vijfde Vervolg der Brieven) |
|
December 22, 1695 |
Wrote Letter L-282 of 1695-12-22 to acknowledge the receipt of two letters by Magliabechi and to tell him once again that the books have been forwarded to him |
|
December 28, 1695 |
Wrote Letter L-283 of 1695-12-28 to Hendrik van Bleyswijk about herring, their stomach worms, the food in herring stomachs, and how small fish like herring catch food |
|
February 20, 1696 |
Wrote Letter L-285 of 1696-02-20 to Frederik Adriaan van Reede about the anatomy of the body louse, especially the sexual organs and the louse's rapid reproduction, and his opposition to Jonston's and Kircher's observations on lice |
|
March 8, 1696 |
Wrote Letter L-287 of 1696-03-08 to Nicolaas Witsen about white mace caused by vermin, a moth from a larva taken from mace, larvae and wings of the merchant grain beetle, and nutmeg; warehouses should be painted to protect spices from vermin |
|
June 1, 1696 |
Wrote Letter L-289 of 1696-06-01 to Pieter Rabus about dowsing rods and the hazel branches used to make them, iron, and loadstone |
|
July 6, 1696 |
Wrote Letter L-292 of 1696-07-06 to Nicolaas Witsen about his analysis of the mineral that Witsen sent with Letter L-291, ant stings, and lacquer particles on a tree that originate from the tree itself, not from ants |
|
July 10, 1696 |
Wrote Letter L-294 of 1696-07-10 to Nicolaas Witsen about demonstrating the rotation of the earth with the aid of a glass globe filled with water in which wax particles are floating. |
|
July 10, 1696 |
Wrote Letter L-295 of 1696-07-10 to the members of the Royal Society about the circulation of blood in eels; mites, figs, strawberries, and a lobster's leg; a transcription of Christiaan Huygens's Letter L-223 about the reproduction of eels |
|
July 16, 1696 |
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 |
|
July 23, 1696 |
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 |
|
August 26, 1696 |
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 |
|
August 28, 1696 |
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 |
|
August 29, 1696 |
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 |
|
September 7, 1696 |
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 |
|
September 12, 1696 |
Wrote Letter L-304 of 1696-09-12 to Anthonie Heinsius about rennet and curd, chalk and crab's-eyes in vinegar, smoking tobacco to cure toothache, the gall-bladder and omasum of a calf, milk-clotting, and his contradiction of a physician |
|
September 27, 1696 |
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 |
|
October 26, 1696 |
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) |
|
October 30, 1696 |
Wrote Letter L-307 of 1696-10-30 to N.N. (a gentleman in Brabant), a cover letter accompanying a copy of Sesde Vervolg der Brieven |
|
November 15, 1696 |
Wrote Letter L-309 of "latter part" of 1696 to Harmen van Zoelen about what I had learned from an East India Trader |
|
February 12, 1697 |
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 |
|
February 19, 1697 |
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 |
|
March 25, 1697 |
Wrote Letter L-316 of 1697-03-25 to the members of the Royal Society as a cover letter to Continuatio Arcanorum Naturae |
|
April 5, 1697 |
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 |
|
June 6, 1697 |
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 |
|
July 1, 1697 |
Wrote letter of 1697-07-01 (AB 186) to Luca Giamberti |
|
September 3, 1697 |
Wrote Letter 109 of 1697-09-03 (AB 187) to Jan van Leeuwen |
|
September 10, 1697 |
Wrote Letter 110 of 1697-09-10 (AB 188) to Members of the Royal Society |
|
November 2, 1697 |
Wrote letter of 1697-11-02 (AB 189) to Antonio Magliabechi |
|
December 1, 1697 |
Wrote letter of 1697-12-01 (AB 190) to Johan Arnoldi |
|
February 20, 1698 |
Wrote letter of 1698-02-20 (AB 191) to Antonio Magliabechi |
|
April 17, 1698 |
Wrote letter of 1698-04-17 (AB 192) to Antonio Magliabechi |
|
May 9, 1698 |
Wrote Letter 111 of 1698-05-09 (AB 193) to Members of the Royal Society |
|
August 14, 1698 |
Wrote letter of 1698-08-14 (AB 194) to Antonio Magliabechi |
|
September 20, 1698 |
Wrote Letter 112 of 1698-09-20 (AB 195) to Anthonie Heinsius |
|
December 17, 1698 |
Wrote Letter 113 of 1698-12-17 (AB 196) to Harmen van Zoelen |
|
February 1, 1699 |
Wrote Letter 114 of 1699-02-01 (AB 197) to N.N. |
|
February 28, 1699 |
Wrote letter of 1699-02-28 (AB 198) to Antonio Magliabechi |
|
April 26, 1699 |
Wrote Letter 115 of 1699-04-26 (AB 199) to Harmen van Zoelen |
|
June 9, 1699 |
Wrote Letter 116 of 1699-06-09 (AB 200) to Members of the Royal Society |
|
June 23, 1699 |
Wrote Letter 117 of 1699-06-23 (AB 201) to Members of the Royal Society |
|
August 5, 1699 |
Wrote Letter 118 of 1699-08-05 (AB 202) to N.N. |
|
September 25, 1699 |
Wrote Letter 119 of 1699-09-25 (AB 204) to Members of the Royal Society |
|
September 25, 1699 |
Wrote letter of 1699-09-01 (AB 203) to Hans Sloane |
|
October 1, 1699 |
Wrote Letter 120 of 1699-10-01 (AB 205) to Ehrenfried Walther von Tschirnhaus |
|
October 16, 1699 |
Wrote Letter 121 of 1699-10-16 (AB 206) to Antonio Magliabechi |
|
January 2, 1700 |
Wrote Letter 122 of 1700-01-02 (AB 207) to Hans Sloane |
|
January 14, 1700 |
Wrote Letter 123 of 1700-01-14 (AB 208) to Nicolaes Boogaert van Belois |
|
May 20, 1700 |
Wrote Letter 124 of 1700-05-20 (AB 209) to Hendrik van Bleyswijk |
|
May 20, 1700 |
Wrote Letter 126 of 1700-05-20 (AB 210) to Anthonie Heinsius |
|
June 2, 1700 |
Wrote Letter 125 of 1700-06-02 (AB 211) to Frederik Adriaan van Reede van Renswoude |
|
June 14, 1700 |
Wrote Letter 127 of 1700-06-14 (AB 212) to Hans Sloane |
|
June 16, 1700 |
Wrote Letter 133 of 1700-06-16 (AB 213) to N.N. |
|
July 9, 1700 |
Wrote Letter 128 of 1700-07-09 (AB 214) to Hans Sloane |
|
July 10, 1700 |
Wrote Letter 129 of 1700-07-10 (AB 215) to Anthonie Heinsius |
|
July 27, 1700 |
Wrote Letter 130 of 1700-07-27 (AB 216) to Hans Sloane |
|
August 1, 1700 |
Wrote Letter 131 of 1700-08-01 (AB 217) to N.N. |
|
September 7, 1700 |
Wrote Letter 132 of 1700-09-07 (AB 218) to Hans Sloane |
|
October 26, 1700 |
Wrote Letter 134 of 1700-10-26 (AB 219) to Hans Sloane |
|
December 25, 1700 |
Wrote Letter 135 of 1700-12-25 (AB 220) to Hans Sloane |
|
January 28, 1701 |
Wrote Letter 136 of 1701-01-28 (AB 221) to Hans Sloane |
|
February 9, 1701 |
Wrote letter of 1701-02-09 (AB 222) to Frederik Adriaan van Reede van Renswoude |
|
April 8, 1701 |
Wrote letter of 1701-04-08 (AB 223) to the Mayors of Delft |
|
April 15, 1701 |
Wrote Letter 137 of 1701-04-15 (AB 224) to Members of the Royal Society |
|
June 21, 1701 |
Wrote Letter 138 of 1701-06-21 (AB 226) to Members of the Royal Society |
|
June 21, 1701 |
Wrote Letter 139 of 1701-06-21 (AB 225) to John Chamberlayne |
|
June 21, 1701 |
Wrote letter of 1701-06-21 (AB 227) to Hans Sloane |
|
August 2, 1701 |
Wrote Letter 140 of 1701-08-02 (AB 228) to Members of the Royal Society; bequest of 26 magnifying glasses |
|
August 26, 1701 |
Wrote Letter 141 of 1701-08-26 (AB 229) to Frederik Adriaan van Reede van Renswoude |
|
December 6, 1701 |
Wrote Letter 142 of 1701-12-06 (AB 231) to John Somers |
|
December 6, 1701 |
Wrote letter of 1701-12-06 (AB 230) to Hans Sloane |
|
December 20, 1701 |
Wrote Letter 143 of 1701-12-20 (AB 232) to Members of the Royal Society |
|
February 9, 1702 |
Wrote Letter 144 of 1702-02-09 (AB 233) to Hendrik van Bleyswijk |
|
February 14, 1702 |
Wrote Letter 145 of 1702-02-14 (AB 234) to Members of the Royal Society |
|
April 20, 1702 |
Wrote Letter 146 of 1702-04-20 (AB 235) to Karl von Hessen-Kassel |
|
April 20, 1702 |
Wrote letter of 1702-04-20 (AB 236) to Karl von Hessen-Kassel |
