Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
LEVI BEN GERSON Spain; France, 1288-1344, astronomer and mathematician; invented the Jacob or cross-staff, the transvesal scale for subdividing angles and the camera obscura; author. Catalonia; Bagnols; Perpignan. B. Goldstein 1, 2, 3 and 4; DSB; Daumas 1; Michel 2; A.J. Turner 10.

Name:
Institution:
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):