Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
DOBLER, J.M. Germany, fl.1690-1730, OIM Telescopes = Gel-TX895, DRE; Binocular Telescopes = DRE (1730), MOS (2). "opticus fecit." Berlin. Chenekal 4; Drechsler 2; RSW.

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