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Signature	Maker	Instruments	Comments	Location	References
HEROLDT, ADAM	Germany; Italy, fl.1616-49, MIM	Table Sundial, slate, 1615 = MADEX; Astronomical Quadrant, 1622 = P.C.; Armillary Spheres = KEN (1648), ROM (1649); Recipiangle = Soth. 3/17/38; Sector = NUR.	the quadrant is signed "Adams Heroldo Gennano 1622".	Rome.	Zinner 1; Michel 3; MADEX; Price 2; USNM; Bedini 12; RSW.
HEROLDT, ADAM	Germany; Italy, fl.1616-49, MIM	Table Sundial, slate, 1615 = MADEX; Astronomical Quadrant, 1622 = P.C.; Armillary Spheres = KEN (1648), ROM (1649); Recipiangle = Soth. 3/17/38; Sector = NUR.	the quadrant is signed "Adams Heroldo Gennano 1622".	Rome.	Zinner 1; Michel 3; MADEX; Price 2; USNM; Bedini 12; RSW.

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