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Keywords from Image Description:
Puhelin viestikeskus Lokki. en Telephone possibly telephone testing equipment with dry cell in the equipment room of communication centre Lokki in Finnish supreme HQ museum fi Puhelin mahdollisesti puhelinten testauslaite sek kuivapari viestikeskus Lokin laitehuoneessa Pmajamuseossa own MKFI Telephones Communications center Lokki