View documents (IIIF viewer) (16 documents / 16 available on the web) View documents (DFG viewer)
Country/geo | French protectorate in Morocco |
Subject | Wireless telegraphy and telephony, radio |
superordinated | Postal services, telegraphy and telephony |
URI | https://pm20.zbw.eu/folder/sh/141358,145663 |
ID | sh/141358,145663 |