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Keywords from Image Description:
Meyers sa. page Seite showing types of blast furnaces or metallurgical ovens mit denen metallurgische Oefen ca Fig Feineisenfeuer Art Eisen Fig Rheinischer Kokshochofen Art Eisen Fig Pilzscher Rundofen Fig Tarnowitzer Flammofen Art Blei Fig Lngsschnitt Fig Horizontalschnitt Fig Tellerofen von Gibb und Gelstharp Lngsdurchschnitt