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Keywords from Image Description:
Periskooppi Forum Marinum . en Submarine periscope in Forum Marinum maritime museum Periscope is still functional and projects through the roof of the museum fi Sukellusveneen periskooppi Forum Marinumissa Periskooppi on yh toimiva ja kulkee museon katon lpi own MKFI Submarine periscopes Forum Marinum in Turku August in Finland