Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
ROBERTSON, JOHN England, 1712-76, MIM Table Sundial = Versailles 4/17/83. invented an improved slide rule; F.R.S.; author of book on mathematical instruments, London, 1775. Christ's Hospial, London (1748); Portsmouth Naval Academy (1755-66). Taylor 2(300).

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