The MNACTEC library has highly valuable holdings given their specialist content in the fields of Industrial Heritage and the History of Science and Technology. As regards the content or formats of the documents, they cover a wide range, classified in 3 sections: monographs, journals and non-book materials.
Non-book materials are distinguished in the topographical signature by means of the abbreviations according to the formats represented, followed by the UDC (Universal Decimal Classification) number ordering the subjects hierarchically.
d. F: Loose sheets and flyers, leaflets
v. Share certificates
vi. Loose sheets, leaflets…
vii. Graphical documentation
xii. Cartographic materials
Other non-book materials include Fact Collations: these documents are produced by the library, set out in dossiers. There are press articles, print-offs of reputed online documents, etc.