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Keywords from Image Description:
Astrolbio Nutico Aveiro. en Mariner's astrolabe Taken from Maritime Museum in Lisbon Portugal pt Astrolbio Nutico Aveiro Museu da Marinha Lisboa Datado de Museu da Marinha Lisboa Unknown dated from PDold Uploaded with Museu de Marinha de Lisboa Maps of the history of Portuguese colonies Mariner's astrolabe Original upload