Crystals and vinegar eels by van Leeuwenhoek, described in a letter of 1685. The first eight drawings show crystals formed in an acid solution observe
Crystals and vinegar eels by van Leeuwenhoek, described in a letter of 1685. The first eight drawings show crystals formed in an acid solution observed by Dutch scientist Antonie van Leeuwenhoek (1632-1723). He also studied vinegar eels (Turbatrix aceti), shown at bottom, rejecting the theory that the acidity of vinegar was due to these microscopic animals (a form of nematode worm). 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 sperm. His earliest observations were published in 1673, and over the next 50 years he self-published and wrote hundreds of letters to scientists and learned societies detailing his discoveries. This page is from Letter 43 to the Royal Society, written 5 January 1685.
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Photo credit: © LIBRARY OF CONGRESS, RARE BOOK AND SPECIAL COLLECTIONS DIVISION/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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