Wrote Letter L-087 of 1679-06-13 to Nehemiah Grew asking him to acknowledge two letters from earlier that year

June 13, 1679
Standard reference information
Leeuwenhoek's number: 
Collected Letters number: 
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Text of the letter in the original Dutch and in English translation from Alle de Brieven. The Collected Letters at the DBNL - De Digitale Bibliotheek voor de Nederlandse Letteren. The signed autograph is in London, Royal Society. MS. 1871. L l. 42. One quarto page.

The original manuscript on one quarto page, written and signed by Leeuwenhoek, is preserved at the Royal Society (MS. 1871. Early Letters L1.42). On the outside, Leeuwenhoek wrote, "Mr. Nehemiah Grew, / Secretary to the Royal Society / London." In another hand: "In New Street doctor Grew / in Redlione Corte / in fletstreet"

Leeuwenhoek wrote this short request to Grew, asking him to acknowledge Leeuwenhoek's Letter L-078 of 21 February 1679 and Letter L-080 of 25 April 1679, both sent to Grew.

It was not published during Leeuwenhoek's lifetime.