{"id":4918,"date":"2026-03-31T12:10:46","date_gmt":"2026-03-31T09:10:46","guid":{"rendered":"https:\/\/digimuseo.fi\/?post_type=product&#038;p=4918"},"modified":"2026-03-31T12:20:09","modified_gmt":"2026-03-31T09:20:09","slug":"atlases-of-the-baltic-sea","status":"publish","type":"product","link":"https:\/\/digimuseo.fi\/en\/exhibitions\/atlases-of-the-baltic-sea\/","title":{"rendered":"Atlases of the Baltic Sea"},"content":{"rendered":"<p>This virtual exhibition showcases four sea atlases from the John Nurminen Foundation\u2019s collection: Swedish, Dutch, Russian and British, dating back to the 17th\u201319th centuries. The charts selected from these atlases depict areas from different parts of the Baltic Sea and provide information on fairways, depths and positions. They also provide an insight into the history of seafaring and power relations. Welcome!<\/p>\n","protected":false},"excerpt":{"rendered":"<h1>Welcome to Atlases of the Baltic Sea exhibition!<\/h1>\n<p>&nbsp;<\/p>\n<p>Explore the Baltic Sea Using Old Sea Charts! A sea chart is a specialised map of sea areas, marine fairways, harbours, seabed topography and other details related to water bodies. Sea charts were essential for safe navigation and were valuable documents that were carefully protected. These charts were bound into books, or sea atlases.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"featured_media":4916,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[74],"product_tag":[],"school_subject":[239,241],"school_level":[252,251],"class_list":{"0":"post-4918","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-yleinen-en","7":"museums-john-nurminen-foundation","8":"exhibition_themes-history","9":"school_subject-biologia-ja-maantieto","10":"school_subject-historia-ja-yhteiskuntaoppi","11":"school_level-lukio","12":"school_level-luokat-7-9","14":"first","15":"instock","16":"virtual","17":"sold-individually","18":"taxable","19":"product-type-basic_museum"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Atlases of the Baltic Sea - Digital museum<\/title>\n<meta name=\"description\" content=\"Four atlases from the John Nurminen Foundation\u2019s collection are now on display in a virtual exhibition. 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