| DUCHER, JOSEF | 
Germany, 1614-44, MIM | 
Diptych Sundials, ivory, = STU (1641), OXF (1642), OXF, WHI, Drecker Coll. = DPW.  | 
bird flying to left was his punchmark; several sundials with this punchmark are in the Huelsmann Coll.  | 
Nürnberg.  | 
Zinner 1; Gouk 1; Syndram; Bryden 16.  | 
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