Smithsonian Open Access Explorer — 1847
| Record | Record Date | Vuga Group | Change Status | Recency Days | Research Attention Score |
|---|---|---|---|---|---|
| 1 Poltina, Russia, 1847 | 01/01/1847 | NMAH | unchanged | 65,619.43 | 0 |
| machine for laying roving in cans | 10/23/1847 | NMAH | unchanged | 65,324.43 | 0 |