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

• A skylid, a louvered skylight that opens and closes automatically, and requires no external power source..., 04/1974

  • Uploaded by: U.S. National Archives
  • License: No known copyright restrictions
  • 0 comments
  • 1 favorite
  • 5,135 views
  • Date taken: 1974-04
  • Date uploaded: 2012-04-10
  • Tags: usnationalarchives, documerica, environmentalprotectionagency, boydnorton, nara:arcid=555303
  • Visibility: public