The Conservatoire numérique des Arts & Métiers is a digital library on the history of science and technology, made from the funds of the former library of the CNAM, the Conservatoire national des arts et métiers, founded in Paris in 1794 by Henri Grégoire. This digital library called CNUM is a joint project of the Library, the Center for History and Technology, Center for the Study and Research in Computer Science of the CNAM.

Many old books and periodicals from the 18th century to the 20th, are made available freely online like the following scientific periodicals: