Styrofoam beads are shown being blown in between two layers of plastic panels in an efficient solar greenhouse built for a school in Albuquerque, New Mexico..., 04/1974
| Uploaded by | U.S. National Archives |
|---|---|
| License | No known copyright restrictions |
| Comments | 0 |
| Favorites | 5 |
| Views | 9,521 |
| Date taken | 1974-04 |
| Date uploaded | 2012-04-10 |
| Tags | usnationalarchives, documerica, environmentalprotectionagency, boydnorton, nara:arcid=555304 |
| Visibility | public |