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Digital Collections

Photographs

Helipot Analog to Digital Converter Model 871

  • 1950 – 1969

Rights

Unknown Rightsholder

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Property Value
Photographer
Format
Genre
Extent
  • 5 in. W x 4 in. L
Inscription
  • (verso) "Armstrong + Hess. 2220 East Howell Avenue, Anaheim, California 92805. Norman Armstrong - W. J. Hess. Professional Photography. 2251-5. Bus. Phone (714) 532-4424. Res. Phone: (714) 772-3427."
Subject
Rights In Copyright - Rights-holder(s) Unlocatable or Unidentifiable
Credit line
  • Courtesy of Science History Institute

Institutional location

Department
Collection
Series arrangement
  • Series X. Photographic Materials
  • Sub-series 3. Photo Albums
Physical container
  • Box 85

View in library catalog

Cite as

Armstrong & Hess. “Helipot Analog to Digital Converter Model 871,” 1950–1969. Beckman Historical Collection, Box 85. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/5t34sj972.

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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.