Hall (Index) Salem
In progress
First commercially successful index
| Serial number | 6815 |
|---|---|
| Date of manufacture | 1887 |
| Country of origin | USA |
| Ribbon size | N/A |
| Two color | No |
Condition
needs some cleaning, needs to be reattached to the box, box needs cleaning
Notes
Has second index and pointer intended for teaching, often missing. Rubber type element by Mario Braun in Germany