| Signature mark | NL 174/1692 |
|---|---|
| Subject | Brief |
| Author |
Kirchhoff, Gustav Robert
|
| Recipient |
Mach, Ernst
|
| Title | Kirchhoff, Gustav Robert an Mach, Ernst |
| Places | Heidelberg |
| Duration | 09.10.1860 |
| Scope | 3 S. hs. |
| Further information |
Published in:
Thiele 1978, S. 34f.; Thiele 1970a, S. 68f. |
| Rights notice | CC BY-SA 4.0 |