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| Uploaded by | Smithsonian Institution |
|---|---|
| License | No known copyright restrictions |
| Comments | 0 |
| Favorites | 10 |
| Views | 17,897 |
| Date taken | 2005-06-20 12:58:44 |
| Date uploaded | 2008-06-04 |
| Tags | smithsonianinstitution, cyanotype, diagram, mechinaldrawing, invention, patent, blueprints, diagrams, blueprint, draft, device, smithsonianinstitutionarchives |
| Visibility | public |