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.

E-mail address:
Explain your correction here:
To protect against spam entries,
please type the sum of 5 and 2 into this box
(i.e. the number between 6 and 8):