| Signature mark | NL 093/311 |
|---|---|
| Subject | Brief (4) |
| Author |
Hirsch, Robert |
| Recipient |
Caro, Heinrich
|
| Title | Hirsch, Robert an Caro, Heinrich |
| Contains | Auseinandersetzung wg. Herstellung eines säuregelben Farbstoffs |
| Places | Huddersfield |
| Duration | 1889 |
| Scope | 4 Bl. hs. |
| Subject area | Chemie. Farbstoffe und Pigmente <210.15> |
| Rights notice | CC BY-SA 4.0 |
