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,, See also:NICOLAS JACQUES (1755-1805), See also:French See also:mechanical See also:genius, chemist and painter, was See also:born at Aunou-sur-See also:Orne, near See also:Sees, on the 4th of See also:August 1755, of a See also:family of poor See also:farm labourers
.
At the See also:age of fourteen he displayed precocious See also:artistic See also:talent in a See also:series of religious panels, remarkably See also:fine in See also:colour and See also:composition, for the See also:principal See also:hospital of Sees, where he was employed to help the gardener
.
With the See also:advice of See also:Greuze he took up portrait See also:painting, quickly became the See also:fashion, and laid by in a few years a See also:fair competency
.
From that See also:time he gave See also:free See also:rein to his See also:passion for the mechanical arts and scientific studies
.
He attended the lectures of J
.
A
.
C
.
See also:
The events of the Revolution soon gave him an opportunity for a further display of his inventive See also:faculty
.
The See also:war with See also:England deprived See also:France of See also:plumbago; he substituted for it an artificial substance obtained from a mixture of See also:graphite and See also:clay, and took out a patent in 1795 for the See also:form of See also:pencil which still bears his name
.
At this time he was associated with See also:Monge and Berthollet in experiments in connexion with the inflation of military balloons, was conducting the school for that See also:department of the engineer See also:corps at See also:Meudon, was perfecting the methods of producing See also:hydrogen in quantity, and was appointed (1796) by the See also:Directory to the command of all the aerostatic establishments
.
He was at the See also:head of the newly created See also:Conservatoire See also:des arts et metiers, and occupied himself with experiments in new compositions of permanent See also:colours, and in 1798 constructed a See also:metal-covered See also:barometer for measuring See also:comparative heights, by observing the See also:weight of See also:mercury issuing from the See also:tube
.
Summoned by See also:Bonaparte to take See also:part as See also:chief of the aerostatic corps in the expedition to See also:Egypt, he considerably extended his See also: A See also:bronze statue was erected to his memory in 1852 at Sees, by public subscription . |
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