Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
AHL, JOHAN Sweden; Denmark, fl.pre-1755-95, OIM Astronomical Quadrant, 3-foot radius = CRT. apprenticed to Eckström; partner with Steinholtz, 1755-62. Stockholm (pre-1755-62); Copenhagen (1762-95). Pipping 1; RSW.

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