1 photo

• Sort by: number of views (most to least) number of views (least to most) number of comments (most to least) number of comments (least to most) number of favorites (most to least) number of favorites (least to most) date uploaded (newest first) date uploaded (oldest first) random

• Time exposure of lighted calculator numbers at one of EPA's National Environmental Research Centers, June 1972

  • Uploaded by: U.S. National Archives
  • License: No known copyright restrictions
  • 0 comments
  • 20 favorites
  • 13,324 views
  • Date taken: 1972-05
  • Date uploaded: 2012-05-02
  • Tags: nara:arcid=547671, usnationalarchives, environmentalprotectionagency, documerica
  • Visibility: public