| Signature mark | NL 174/3922 |
|---|---|
| Subject | Glasplatte, Negativ |
| Title | Interferenzen von Schallwellen Beschriftet mit: "1/1 W., je 4 Flaschen, Cyl. n. links off. Blende rechts." |
| Date | o.D. |
| Formal information |
Format (HxB):
3,9x3,9 cm |
| Rights notice | CC BY-SA 4.0 |