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Digital Collections

Photographs

Coleman Companion pH meter

  • 1960s

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No Known Copyright

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Close-up view of a Companion pH meter manufactured and sold by Coleman Instruments, Inc.

Property Value
Creator of work
Format
Genre
Extent
  • 8 in. H x 10 in. W
Subject
Rights No Known Copyright
Credit line
  • Courtesy of Science History Institute

Institutional location

Department
Collection
Physical container
  • Box 3

View in library catalog

Related Items

Cite as

Gordon Carson Photography. “Coleman Companion PH Meter,” 1960–1969. Photographs from the Perkin-Elmer-Applera Collection, Box 3. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/h702q717h.

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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.