Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
FOSTER, ROGER 1 England, c.1650, MIM Horary Quadrant = D.(1969). this instrument was later modified with a radius arm to serve as a surveying quadrant; it was used for survey work in New England, c.1750. USNM; RSW.

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):