This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Koulukoneradiot VYKKA ja NEFOS. en Finnish aircraft radios VYKKA prototype and NEFOS by Valtion Shkpaja used in trainer aircraft Photographed in the Finnish Air Force signals museum fi Suomalaiset Valtion shkpajan koulukoneradiot VYKKA prototyyppi ja NEFOS Kuvattu Ilmavoimien Viestimuseossa own MKFI Finnish Air Force signals museum