| Signature mark | NL 174/3924 |
|---|---|
| Subject | Glasplatte, Negativ |
| Title | Interferenzen von Schallwellen Beschriftet mit: "1/1 W. je 3 Flaschen. Cy. n. links off. Bl. links. B.-Funken schief. Spiegel ohne B.-Linse." |
| Date | o.D. |
| Formal information |
Format (HxB):
3,9x3,9 cm |
| Rights notice | CC BY-SA 4.0 |