Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
ROGET, PETER MARK England, 1779-1869, physician and scholar; invented the log-log scale for the slide rule in 1815; F.R.S. in 1815; published the Thesaurus in 1852. Manchester (1798-1810); London. DNB; Delehar 9; A.J. Turner 10.

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):