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Digital Collections

Illustrations

Plate XII: Protozoa

  • 1914

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Public Domain

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Illustrated plate depicting various forms of protozoa, microscopic one-celled organisms living in water. The magnification of the organisms depicted in Figures 1 through 11 is 500 diameters. Figure 12 is magnified at 250 diameters and Figure 13 is magnified at 1000 diameters.

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Extent
  • 9 in. H x 5.5 in. W
Subject
Rights Public Domain Mark 1.0
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  • Courtesy of Science History Institute

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Cite as

Whipple, George Chandler. “Plate XII: Protozoa.” The Microscopy of Drinking Water, 1914. https://digital.sciencehistory.org/works/2j62s5886.

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The Science History Institute recognizes there are materials in our collections that may be offensive or harmful, containing racist, sexist, Eurocentric, ableist, or homophobic language or depictions. The history of science is not exempt from beliefs or practices harmful to traditionally marginalized groups. The Institute is engaged in ongoing efforts to responsibly present and address the evidence of oppression and injustice inextricable from the history of science. If you would like to learn more about our ongoing efforts or if you encounter harmful, inaccurate, or insufficient descriptions, please contact us at digital@sciencehistory.org.