Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
DAVIS, JOHN 1 England, 1552-1605, invented the Davis quadrant, or backstaff, in 1590; arctic explorer. Sandridge, Devon. Taylor 1(46); USNM; Daumas 1; Evans 1; Michel 3; King; G.L'E. Turner 24.

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