Signature mark | NL 174/0638 |
---|---|
Subject | Brief |
Author |
Auer von Welsbach, Aloys
|
Recipient |
Mach, Ernst
|
Title | Auer von Welsbach, Aloys an Mach, Ernst |
Places | Wien |
Duration | 29.02.1860 |
Scope | 1 S. hs. |
Rights notice | CC BY-SA 4.0 |