Webster Signature Database - Suggest Correction

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Signature	Maker	Instruments	Comments	Location	References
ERTEL	Germany, c.1850, MIM OIM SIM	Meridian Telescope = MLL; Theodolite = DRE; Rule = P.C.(1987).	probably Georg or Gustav.	Munich.	RSW.
ERTEL	Germany, c.1850, MIM OIM SIM	Meridian Telescope = MLL; Theodolite = DRE; Rule = P.C.(1987).	probably Georg or Gustav.	Munich.	RSW.

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