Delagrave (Levaseur's maps), Hachette (Vivien de St Martin's Atlas universel, in progress since 1875, F.
P. Hachette (1769-1834) in1816-1817published memoirs containing the results of experiments on the spouting of fluids and the discharge of vessels.
JEAN NICOLAS PIERRE HACHETTE (1769-1834), French mathematician, was born at Mezieres, where his father was a bookseller, on the 6th of May 1769.
The necessary royal assent was in 1823 refused to the election of Hachette to the Academie des Sciences, and it was not till 1831, after the Revolution, that he obtained that honour.
Hachette was held in high esteem for his private worth, as well as for his scientific attainments and great public services.
P. Hachette (Bruxelles, 1836).
Hachette, et suivie d'une note &c., par M.
P. Hachette and others in the invention of various forms of rotating doubler.
Then came a few years of terrible poverty; but at the beginning of 1862 he obtained a clerkship, at the modest salary of a pound a week, in the house of Hachette the publisher.