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General map, to illustrate the cruise of the Dulcibella, and matters relating thereto.
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Chart illustrating the stranding of the Dulcibella, and her subsequent explorations in the Great Estuaries.
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East Friesland and the German or East Frisian Islands.
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Chart of Juist, Memmert, and part of Norderney.
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Sketch of Memmert Salvage Depot.