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Il vise à enrichir les connaissances sur notre histoire, à travers la constitution d'une documentation d'ensemble sur le patrimoine industriel genevois, un champ d'étude qui comprend l'architecture mais également les dimensions techniques, sociales et économiques liées aux activités de production.\n\nPar ailleurs, il constitue pour l'administration un outil d'évaluation des bâtiments industriels, afin de justifier et de replacer dans un cadre élargi les mesures de protection prises en faveur d'un corpus architectural complexe à appréhender en raison de son ampleur, de sa richesse programmatique et de significations souvent oubliées.\n\nAu stade actuel, la couche issue de la base de données recense 275 objets, sélectionnés selon cinq critères : \n\n- année de construction (avant 1975), \n- activité (production d'énergie ou de biens) \n- taille de l'entreprise (dix employés minimum) \n- processus de fabrication (mécanisation au moins partielle de l'outillage) \n- diffusion de la production (au-delà du canton). \n\nA l'usage, la sélection a toutefois été assouplie de facon à intégrer certains objets emblématiques. 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