| Signature mark | NL 265/0749 |
|---|---|
| Subject | Brief (1) |
| Author |
Koulen, Walter |
| Recipient |
Ursinus, Oskar
|
| Title | Koulen, Walter an Ursinus, Oskar |
| Contains | Anfrage zur Zugkraft von Propellern |
| Places | Lage (Lippe) |
| Duration | 18.12.1913 |
| Scope | 1 Bl. hs. |
| Subject area | Bauteile <740.10.70> |
| Rights notice | CC BY-SA 4.0 |
