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Environmental Tests instructional booklet

  • 1971

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Manual containing instructions for ten experiments to determine pollution levels of the air and water. The front cover depicts a boy examining a petri dish with a small magnifying glass. Manual corresponds to the Johnny Horizon Environmental Test Kit.

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  • 32 pages
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  • Hasbro, Inc.
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  • Courtesy of Science History Institute

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“Environmental Tests Instructional Booklet.” Salem, Massachusetts, 1971. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/1pr7y0j.

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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.