Оценка состояния и реставрация нидерландских атласов, поврежденных ярь-медянкой

The collection of Western European engraved atlases at the National Library of Russia is unique in terms of both in the range of cartographers and the number of items. The collection comprises over 400 volumes of masterpieces of world cartography from the 16th –18th Century. The superior historic and artistic value of this collection, as well as its uniqueness, makes the problem of its preservation a matter of extreme importance. The preservation evaluation of the collection of West European engraved atlases and the creation of the database of preservation measures have showed that the previously implemented complex of conservation measures ensures the good condition of the documents, allows to predict the condition of an individual item or the collection as a whole. The preservation program also enables us to organize scientific and exhibition activities with a minimal risk of document deterioration.