ARH257972 Law proclaiming the purchase by France of the rights to the photographic inventions of Daguerre & Niepce, 7th August 1839 (pen & ink on paper) by French School, (19th century); Centre Historique des Archives Nationales, Paris, France; (add.info.: in return for annuities for life and the gift of this invention by France to the world; Loi proclamant l\'achat par la France de Louis-Philippe de l\'invention de la photo pour la donner au monde entier; signed by King Louis Philippe (1773-1854); Louis Jacques Mande Daguerre ( 1787-1851); Isidore Niepce was the son and heir of Joseph Nicephore Niepce (d.1833);); 穢 Archives Charmet; French, out of copyright.