Pendulum Hall in the National Museum of History and Technology
| Uploaded by | Smithsonian Institution |
|---|---|
| License | No known copyright restrictions |
| Comments | 2 |
| Favorites | 11 |
| Views | 20,243 |
| Date taken | 2011-10-17 09:49:48 |
| Date uploaded | 2013-05-13 |
| Tags | smithsonianinstitution, smithsonianinstitutionarchives |
| Visibility | public |