September 27, 1678 |
Wrote Letter 26 of 1678-09-27 (AB 40) to Nehemiah Grew |
October 14, 1678 |
sister Margrieta Philips Leeuwenhoek buried |
October 31, 1678 |
Christiaan Huygens's method of melting powdered glass to make a spherical lens |
November 6, 1678 |
daughter Maria registered as a member of the Hervormde Gemeente Delft (Reformed Church in Delft) |
December 26, 1678 |
Wrote letter of 1678-12-26 (AB 41) to Constantijn Huygens |
January 25, 1679 |
Authorized to administer the estate of Ernst Gerrits de Bruijn |
February 10, 1679 |
Appointed curator; Johannes Blaucamer guarantor |
February 21, 1679 |
Wrote Letter 27 of 1679-02-21 (AB 42) to Nehemiah Grew about cod sperm and about not finding any little animals in blood or saliva |
April 1, 1679 |
cousin Maerten Huijchs Leeuwenhoek appointed tax master |
April 12, 1679 |
Lambert van Velthuysen wrote to Leeuwenhoek about some of his observations |
April 25, 1679 |
Wrote Letter 28 of 1679-04-25 (AB 43) to Nehemiah Grew about living little animals in fish, hare, and dogs and his calculation that more than ten times as many living animals come from the milt of a cod as there are people living on the Earth |
April 27, 1679 |
Wrote letter of 1679-04-27 (AB 44) to Constantijn Huygens |
May 1, 1679 |
Visited by James, Duke of York, and "several high personages" |
May 4, 1679 |
mentor Constantijn Huygens called Leeuwenhoek the "magician of Delft" |
May 11, 1679 |
Wrote letter of 1679-05-11 (AB 45) to Lambert van Velthuysen |
May 15, 1679 |
Wrote letter of 1679-05-15 (AB 46) to Christiaan Huygens |
May 20, 1679 |
Wrote letter of 1679-05-20 (AB 47) to Constantijn Huygens |
June 13, 1679 |
Wrote letter of 1679-06-13 (AB 48) to Nehemiah Grew |
June 13, 1679 |
Wrote letter of 1679-06-13 (AB 49) to Lambert van Velthuysen |
July 11, 1679 |
Wrote letter of 1679-07-11 (AB 50) to Lambert van Velthuysen |
July 20, 1679 |
Robert Hooke read his translation of Letter 28 of 1679-04-25 to Nehemiah Grew |
July 27, 1679 |
Robert Hooke showed the Royal Society microscopical observations of the liquor in a ram's testicles |
August 10, 1679 |
Robert Hooke showed the Royal Society microscopical observations of a cock's testicles |
August 15, 1679 |
Appointed city inspector of imported and exported liquids / wine gauger |
August 25, 1679 |
Called "an unlearned, but ingenious man" by Peter Pels |
September 4, 1679 |
colleague Nicolaas van der Sloot appointed co-wine gauger |
September 17, 1679 |
Paid tax on his personal stock of wine |
October 13, 1679 |
Wrote letter of 1679-10-13 (AB 51) to Robert Hooke |
October 30, 1679 |
cousin Pieter Abrahams Hogenhouck buried |
November 1, 1679 |
Philosophical Collections number 1 published in London, including Leeuwenhoek's Letter 28 of 1679-04-25 (AB 43) to Nehemiah Grew |
November 14, 1679 |
Wrote letter of 1679-11-14 (AB 52) to Lambert van Velthuysen about gout, salt, and drinking tea |
November 20, 1679 |
Wrote letter of 1679-11-20 (AB 53) to Robert Hooke, copying his letter of 14 November 1679 to Velthuysen about gout, salt, and drinking tea |