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Herzfeldsche Blechflaschen Wasserbad ZuckerMuseum. Wasserbad und Herzfeldsche Blechflaschen zur Erhitzung des mit Bleiessigwasser versetzten Zuckerrbenbreis warme Digestion vor der Filtration und Messung des Saccharosegehalts um ZuckerMuseum Berlin own Photo User FA ZuckerMuseum Berlin Sugar industry Laboratory equipment