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Digital Collections

Catalogs, Illustrated works

Catalog of Laboratory Apparatus and Reagents for Industrial, Medical, Educational Laboratories

  • 1922

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Williams, Brown & Earl was an American optical instrument and laboratory supply firm formed by H. S. Williams and N. H. Brown at 918 Chestnut Street, Philadelphia, Pennsylvania. This illustrated catalog includes the description and price of the instrument manufacturer's stock. Digitized content includes 9 illustrations and the work's front matter.

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  • 315 pages
  • 28 cm H
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  • Courtesy of Science History Institute

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  • Shelfmark Q185.7 .W55 1922

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Williams, Brown. “Catalog of Laboratory Apparatus and Reagents for Industrial, Medical, Educational Laboratories.” Philadelphia, Pennsylvania: Brown Williams, 1922. Q185.7 .W55 1922. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/1jlzom2.

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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.