Describes a collection of ca. 450 drawings, maps and plans (18th-19th cs.) now in the archive of the Fondazione Sella, Biella. The collection includes architectural projects by Pietro Giuseppe Beltramo and Gaspare Maggia.
Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d'une licence CC BY 4.0 / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 license