Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
GATTEY, FRANCOIS France, fl. 1798-1822, MIM François Gattey; invented a printed card slide rule in 1798 and called it "Cadran Logarithmique"; changed name to "Arithmographe" in 1810. Delehar 9.

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):