For an economy in conservation

The word economy can mean in tum the art of running one's or State's possessions, the art of avoiding needless expenditure, or still the articulation of parts of a system. Through these three approaches, we'll try to analyse the conservation plan of the Bibliothèque de France, showing in particular that an economic way gets through looking for industrial solutions. Instead of swallowing up money, conservation can prove to be a main operation.