https://pm20.zbw.eu/category/ware/i/142489
No material prepared as folder.
For intellectual property law reasons accessible only from the European Union legal area and from the ZBW reading room.
Total number of images: 75
Images on film h1/wa/W0137H/1222 | Funksendeapparat, Mikrophon |
Images on film h1/wa/W0138H/0002 | Funksendeapparat, Mikrophon : Welt |