Perspective drawing of the gateway to the courtyard at Rowallan castle, with some measurements and notes. The drawing is labelled 'Association Visit,' referring to the Glasgow Architectural Association. The drawing bears the stamp of the Glasgow School of Art Library.

Perspective drawing of Rowallan Castle, viewed from the courtyard. The drawing is annotated with various notes, and accompanied by smaller perspectives and elevations of windows, a tympanum, and two sides of a wall head. The drawing is labelled 'Association Visit,' referring to the Glasgow Architectural Association. The drawing bears the stamp of the Glasgow School of Art Library.