Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
PERSONNE, GILLES France, 1602-75, OIM PHIM mathematician; designed an equal-arm balance; worked on developing a vacuum; put telescopes on surveying and navigating instruments, c.1667; "Gilles Personne de Roberval." Roberval. Middleton 2; G.L'E. Turner 24; A.J. Turner 10.

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