About Magazine Podcasts Events
Museum Hours

Digital Collections

Business correspondence

The Vindication of the DR

  • or, "Don't Fall For That Speed Stuff"

  • 1954-Apr-16

Rights

Unknown Rightsholder

Download all 4 images

PDFZIPof full-sized JPGs

Download selected image

Small JPG1200 x 1535px — 345 KBFull-sized JPG2690 x 3442px — 1.4 MBOriginal fileTIFF — 2690 x 3442px — 26.6 MB
View
Unknown
Rightsholder
PDF
Download PDF
ZIP
of full-sized JPGs
Download ZIP

The DR was a double-beam ultraviolet spectrophotometer, designed for accuracy rather than speed. Lee Cahn's skit represents an effort to begin "selling accuracy," as noted in the attached memo from J. D. MacNamara. The skit was distributed to sales representatives, though they were advised not to use the combative style.

Author
Format
Genre
Extent
  • 8.5 in. W x 11 in. L
  • 8.5 in. W x 5.5 in. L
Language
Subject
Rights In Copyright - Rights-holder(s) Unlocatable or Unidentifiable
Credit line
  • Courtesy of Science History Institute

Institutional location

Department
Collection
Series arrangement
  • Series II. Business Activities Files
  • Sub-series 1. Correspondence
Physical container
  • Box 14, Folder 1

View collection guide View in library catalog

Related Items

Cite as

MacNamara, J. D., and Lee Cahn. “The Vindication of the DR,” April 16, 1954. Beckman Historical Collection, Box 14, Folder 1. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/4x51hj41s.

  Export citation (RIS) ?

This citation is automatically generated and may contain errors.

Rights

Unknown Rightsholder

Download selected image

Small JPG1200 x 1553px — 396 KBFull-sized JPG2651 x 3431px — 1.5 MBOriginal fileTIFF — 2651 x 3431px — 26.1 MB

Rights

Unknown Rightsholder

Download selected image

Small JPG1200 x 1544px — 249 KBFull-sized JPG2668 x 3433px — 1.1 MBOriginal fileTIFF — 2668 x 3433px — 26.3 MB

Rights

Unknown Rightsholder

Download selected image

Small JPG1200 x 781px — 155 KBFull-sized JPG2658 x 1730px — 632 KBOriginal fileTIFF — 2658 x 1730px — 13.2 MB

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.