Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
FOUCHY, MR. GRANDJEAN DE France, fl.1732-69, invented the micrometer scale which was added by Le Maire Fils in 1741 to the telescopic quadrant, ADL-M186, which had been made by Philippe Claude Lebas, c.1675; Fouchy was a member of the Académie Royal des Sciences. Paris. Engelmann 1; Fox 1; Ronfort 1; Daumas 1; ADL; 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):