Tuner radio receiver Mk III showing valves; This radio was used in aircraft during the First World War.

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Size: 6026px × 3480px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aircraft, archival, archive, historical, history, iii, mk, radio, receiver, tuner, valve, war, world, wwi