Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
LESLIE, JOHN Scotland, 1766-1832, PHIM Hygrometer and Differential Thermometer, Photometer = Royal Observatory of Scotland Sale, 6/19/1848. Sir John Leslie; invented barometric scale to compute heights of mountains; invented the differential thermometer; F.R.S.; author; Professor of Mathematics, Edinburgh U., 1805-; instruments have platina scales. Edinburgh. Middleton 4; Taylor 2(863); USNM; G.L'E. Turner 24; Gunther 2; Chaldecott 3; RGO; RSW.

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