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Keywords from Image Description:
Meyers sa. drawings of seasalt production mit Bilder vom Meer Salzgewinnung Fig bottom Whrbau Fig center Dorngradierhaus Fig lower left Siedevorrichtung Fig lower right Sudpfanne mit Treppenrost Fig left Rohrpfanne Durchschnitt Fig left Rohrpfanne Grundri Fig top left Rundpfanne mit Rhrwerk Fig top right Mechanische