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Litografie, barev. 36,5 x 47 cm na listu 47,5 x 56,5 cm Měřítko [ca 1:960 000]. 10 cm = 60 british statute miles (012°03´07" v.d.--019°02´21" v.d./051°13´14" s.š.--047°57´11" s.š.)