Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
DAVENPORT, ANTHONY USA, fl.1823-38, MIM NIM SIM Surveying Compass = P.C. T.C. Sign of the Quadrant and Compass, 10 Jones Row, Exchange Street, Portland, Maine. Bowditch; USNM; Wind Rose Vol. 18, No.2, April, 1987; D.J. Warner 7 & 10.

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