The Syncro-Clock time keeper, Yleisradio's driving clock and a kind of radio that received the time signal from the German hydrological institute's chronometer. A radio set which controlled several time keepers in Yle's radio house, ca. 1945.

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Size: 4713px × 4967px
Photo credit: © ART Collection / Alamy / Afripics
License: Licensed
Model Released: No

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