Webster Signature Database - Suggest Correction

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Signature	Maker	Instruments	Comments	Location	References
JOHNSON, WILLIAM 4	England, fl.1830-60, OIM PHIM	Thermometer = NMM-MT/TH.13.	T.C.; "Optician and Spectacle Maker."	188 Tottenham Court Road, London.	Calvert 2; NMM 2.
JOHNSON, WILLIAM 4	England, fl.1830-60, OIM PHIM	Thermometer = NMM-MT/TH.13.	T.C.; "Optician and Spectacle Maker."	188 Tottenham Court Road, London.	Calvert 2; NMM 2.

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