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Digital Collections

Photographs

Helipot trimmers and resistors

  • 1950 – 1969

Rights

Unknown Rightsholder

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PDFSmall JPG1200 x 941px — 105 KBLarge JPG2880 x 2259px — 482 KBFull-sized JPG3325 x 2608px — 606 KBOriginal fileTIFF — 3325 x 2608px — 24.9 MB
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Shown with a pen for scale. These were likely manufactured by the Helipot Division.

Property Value
Format
Genre
Extent
  • 10 in. W x 8 in. L
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 1. Image files
Physical container
  • Box 55, Folder 140

View in library catalog

Related Items

Cite as

“Helipot Trimmers and Resistors,” 1950–1969. Beckman Historical Collection, Box 55, Folder 140. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/z603qx51g.

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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.