Webster Signature Database - Suggest Correction

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Signature	Maker	Instruments	Comments	Location	References
BUTTERFIELD, HORACE S.	USA, c.1815, MIM		made an astronomical calculator with Olof Ohlson.	Portland, Oregon.	A.H. Brown.
BUTTERFIELD, HORACE S.	USA, c.1815, MIM		made an astronomical calculator with Olof Ohlson.	Portland, Oregon.	A.H. Brown.

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