Optische Telegrafie

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        Optische Telegrafie

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            Optische Telegrafie

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              Map, title: 'Deutsches Schutzgebiet Südwest-Afrika. Map of the Karibib-Outjo heliograph line and the routes between Etiro and Outjo.'
              Item · 1903
              Part of Post and Telecommunications Museum Foundation

              Map of the Karibib-Outjo heliograph line in German Southwest Africa (Namibia), after the route survey by First Lieutenant Werner, 1 sheet folded.nWerner, Oberleutnant [photograph/drawing/author] Karsunke [drawing for printing] Verlag der Kgl. Hofbuchhandlung E.S. Mittler & Sohn [publisher] Dietrich Reimer Geographische Verlagshandlung [Ernst Vohsen] [printer];