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Hermann Siebert >> 02. Thematische Materialsammlungen >> 02.09. Wirtschaft und Verkehr >> 02.09.01. Bergbau
1894 - 1899, 1902 - 1931
Enthält u.a.: Schachtplan von Solvayhall. - Postkarte Deutsche Solvay Werke AG, Bernburg (Junkers Luftbild-Zentrale, Dessau). - Verschiedene Berichte über die Werke. - Untersuchungsmethoden.
