About Magazine Podcasts Events
Museum Hours

Digital Collections

Photographs

Helipot Model 854 Voltage Regulators with dime

  • 1950 – 1969

Rights

Unknown Rightsholder

Download selected image

PDFSmall JPG1200 x 992px — 185 KBFull-sized JPG1601 x 1324px — 300 KBOriginal fileTIFF — 1601 x 1324px — 6.1 MB
View
Unknown
Rightsholder
PDF
Download PDF

Voltage regulators maintain a constant voltage level in electrical devices. This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products.

Photographer
Format
Genre
Extent
  • 5 in. W x 4 in. L
Inscription
  • (front) "A&H #1473-1 MODEL 854"
  • (verso) "Armstrong + Hess. 2220 East Howell Avenue, Anaheim, California 92805. Norman Armstrong - W. J. Hess. Professional Photography. 1473-1. 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 collection guide View in library catalog

Related Items

Cite as

Armstrong & Hess. “Helipot Model 854 Voltage Regulators with Dime,” 1950–1969. Beckman Historical Collection, Box 85. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/th83kz73b.

  Export citation (RIS) ?

This citation is automatically generated and may contain errors.

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.