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Signature	Maker	Instruments	Comments	Location	References
KOCH, BARTHOLOME	Austria, 18th Century, MIM	Inclinable Sundial = OXF; Augsburg-type Sundials = Drecker Coll. = P.C., Christie 4/3/85; Horizontal Sundials = Christie 4/18/1899, P.B. 1/22/54, P. & S. 5/20/1895, Koller 11/17/75.		Vienna.	Zinner 1; Maddison 5; RSW.
KOCH, BARTHOLOME	Austria, 18th Century, MIM	Inclinable Sundial = OXF; Augsburg-type Sundials = Drecker Coll. = P.C., Christie 4/3/85; Horizontal Sundials = Christie 4/18/1899, P.B. 1/22/54, P. & S. 5/20/1895, Koller 11/17/75.		Vienna.	Zinner 1; Maddison 5; RSW.

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