| Signature mark | NL 174/2084 |
|---|---|
| Subject | Brief |
| Author |
Mach, Felix
|
| Recipient |
Mach, Ernst
|
| Title | Mach, Felix an Mach, Ernst |
| Note | Spitzname von Ernst Mach war "Tate" |
| Places | München, Altstadt |
| Duration | 23.04.1911 |
| Scope | 2 S. hs. |
| Rights notice | CC BY-SA 4.0 |