16
Fig. 16
Simple furnace for lead ores from the Upper Harz at Johanneser Kurhaus near Clausthal-
Zellerfeld dating from the 10th/11th century AD.
Fig. 17
Hearth, presumably used for cupellation, excavated at Johanneser Kurhaus near Clausthal
Zellerfeld dating from the 12th/l 3th century AD.
Fig. 16
Simple furnace for lead ores from the Upper Harz at Johanneser Kurhaus near Clausthal-
Zellerfeld dating from the 10th/11th century AD.
Fig. 17
Hearth, presumably used for cupellation, excavated at Johanneser Kurhaus near Clausthal
Zellerfeld dating from the 12th/l 3th century AD.