Bilde -Larvik Museum / DigitaltMuseum

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Attrbution-ShareAlike (CC BY-SA) — MT Polarsol, Larvik. Photo: Nordrum, Camilla Ringstad / Larvik Museum

Attrbution-ShareAlike (CC BY-SA) — MT Polarsol, Larvik. Photo: Nordrum, Camilla Ringstad / Larvik Museum