| Signature mark | NL 266/031 |
|---|---|
| Subject | Brief (1) |
| Author |
Volkmann, Paul
|
| Recipient |
Helmholtz, Hermann von
|
| Title | Volkmann, Paul an Helmholtz, Hermann von |
| Contains | Optische Fragestellungen |
| Places | Berlin |
| Duration | 23.05.1888 |
| Scope | 1 Bl. hs. |
| Subject area | Licht und Lichtmessung <315.04> |
| Rights notice | CC BY-SA 4.0 |
