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Signature	Maker	Instruments	Comments	Location	References
JANSON, JOHANNES	Holland, fl.1620-48, MIM	Quadrant, wood, 1628 = LUN; Pairs of Globes, 1623 = DRE and Weimar Landesbibliothek; Celestial Globe, 1623, Terrestrial Globe, 1636 = Landesbibliothek, Berlin; Pair of Globes, 1645 = Heimatmuseum, Waldenburg; Celestial Globe, 1648 = LUN; Terrestrial Globe, 1620 = NMM.	son-in-law of Hondius.	Amsterdam.	Zinner 1 & 6; Grötzsch 1 & 2; NMM 2; RSW.
JANSON, JOHANNES	Holland, fl.1620-48, MIM	Quadrant, wood, 1628 = LUN; Pairs of Globes, 1623 = DRE and Weimar Landesbibliothek; Celestial Globe, 1623, Terrestrial Globe, 1636 = Landesbibliothek, Berlin; Pair of Globes, 1645 = Heimatmuseum, Waldenburg; Celestial Globe, 1648 = LUN; Terrestrial Globe, 1620 = NMM.	son-in-law of Hondius.	Amsterdam.	Zinner 1 & 6; Grötzsch 1 & 2; NMM 2; RSW.

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