Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
STEINHOLTZ, JOHAN ZACHARIUS Sweden, fl.1733-76, MIM OIM SIM Surveyor's Circle = SWE; Microscope, No.4 = NOR. apprenticed to Daniel Ekström; ran the Academy workshop with Ahl, 1755-62. Stockholm. Pipping 1; RSW.

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