Volume 1 of the RSAI's Du Noyer Collection contains 166 sketches and watercolours and 2 photographs. A number of the items are undated, with the earliest year being 1847 and the latest year being 1872. The majority of items in the volume are from Co. Kerry, although there are images from Counties Antrim, Clare, Cork, Galway, Kilkenny, Offaly, Tipperary, Waterford, and Westmeath.
Subjects in Volume 1 include landscapes, architecture, maritime scenes, crosses, ogham stones, and artefacts. Two photographs can be found - one of a Captain Rock and the other of Mallow Castle demesne.