DIRECTORY_1997#1449 new approved FotoMuseum Provincie Antwerpen conventionDeclaration ISAAR(CPF): Internationale norm voor archivistische geautoriseerde beschrijvingen van organisaties, personen en families, Antwerpen/Leuven/Amsterdam 2006. detailLevel http://ica-atom.org/doc/RS-2#5.4 created January 2, 2015 9:52:29 AM CET human revised January 24, 2024 10:11:58 AM CET human Person (Male) person Detaille, Armand conventionDeclaration Amateur conventionDeclaration Ougrée, 1858 - ?, ? 1886 - 1911 Liège - Ougrée Detaille Frères: Berlin, 1889; Bruges, 1890; Liège, 1892 (bromide enlargements on paper); Antwerp, 1893 ABP.

<b>1886 - 1911 Liège - Ougrée</b> Jean François Armand, ° 26.8.1858. Accountant. The Detaille brothers, Armand and Hubert, undertook joint research on exposure times and shutters. They were granted a patent on 16.8.1887 for "a drop shutter for instant photography". In 1889 they studied the properties of hydroquinone, and in 1890 the toning of transparencies by sodium hydrosulphite and by alum. In addition to their technical research the Detaille brothers were distinguished artistic photographers. Prizewinners of competitions held by the "Bulletin de l'ABP" in 1886, 1888, and 1889.

Association belge de Photographie 1886 1911