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Knobel, Edward Ball

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Maps per decade (3 total)
1880s: 1 1890s: 2 1900 1950 2000
1884 – 1892

Works as Author 3

#198 A chart of Mars A chart of Mars Ball, Robert S · 1892 #202 Fig 202 Carte géographique de Mars, specialement port l'hémisphere boréal, construite par M. Knobel, d'apres ses observations de 1873 et 1884 Knobel, Edward Ball · 1892 #181 Chart of Mars from observations in 1873 and 1884 Knobel, Edward Ball · 1884