Sperm Observations By Van Leeuwenhoek is a photograph by Library Of Congress, Rare Book And Special Collections Division/science Photo Library which was uploaded on October 16th, 2019.
Sperm Observations By Van Leeuwenhoek
Sperm observations by van Leeuwenhoek, from a letter of 1700. The first and last figures (1 and 7) are by Dutch physicist Nicolaas Hartsoeker, with... more
Title
Sperm Observations By Van Leeuwenhoek
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Library Of Congress, Rare Book And Special Collections Division/science Photo Library
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Photograph
Description
Sperm observations by van Leeuwenhoek, from a letter of 1700. The first and last figures (1 and 7) are by Dutch physicist Nicolaas Hartsoeker, with the other drawings by Dutch scientist Antonie van Leeuwenhoek (1632-1723). Van Leeuwenhoek built his own microscopes and was able to study the natural world in greater detail than was previously possible. His observations included protozoa, bacteria, insects, plants, minerals, blood cells, and the first observations of sperm (1677). His earliest observations were published in 1673, and over the next 50 years he self-published and wrote hundreds of letters detailing his discoveries. This page is from Letter 135 to Hans Sloane, written 25 December 1700 and objecting to Hartsoeker's depictions of sperm. This copy of the letter is from 'Sevende Vervolg' (1702).
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October 16th, 2019
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