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Signature	Maker	Instruments	Comments	Location	References
GRUBER, HANS	Germany, fl.1552-97, MIM	Sundials on the side or bottom panels of table clocks = STU (1665), Soth. 6/19/72 (1568) = TIM, Drouot 2/16/49; Diptych Sundial = OXF; Equatorium, 1579 = Kenney Sale; Artillery Level = DRE (1569).	clockmaker; mastermark is crossed shovels; also signed "Hanns" or "Johannes."	Nürnberg.	Zinner 1; Drechsler 2; Michel 3; Josten; Gouk 1; RSW.
GRUBER, HANS	Germany, fl.1552-97, MIM	Sundials on the side or bottom panels of table clocks = STU (1665), Soth. 6/19/72 (1568) = TIM, Drouot 2/16/49; Diptych Sundial = OXF; Equatorium, 1579 = Kenney Sale; Artillery Level = DRE (1569).	clockmaker; mastermark is crossed shovels; also signed "Hanns" or "Johannes."	Nürnberg.	Zinner 1; Drechsler 2; Michel 3; Josten; Gouk 1; RSW.

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