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Keywords from Image Description:
Pola Naval Observatory. en The Naval Observatory of the AustrianHungarian empire at Pola now Pula Croatia in de Die kaiserlichknigliche Marinesternwarte von sterreichUngarn in Pola heute Pula Kroatien im Jahr astro hr html Luigi Mioni PDold Observatories in Croatia Naval base Pula Destroyed in Pula Observatory