Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
SCHMIDT, JOSEF CHRISTOPH Austria?, 1728, MIM Spherical Sundial, 1728 = SAL; Perpetual Calendar on a snuff box = Evans Coll.; Perpetual Calendar = AUG. Augsburg. Zinner 1; Michel 3; Evans 1; Esdaille; RSW.

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