Gandon, J. (1770). [Two side elevations of staircases, inscribed in pencil at centre of sheet 'manner of pinning down Portland Steps in a quarter partition'.
MLA CitationGandon, James. [Two Side Elevations of Staircases, Inscribed in Pencil at Centre of Sheet 'Manner of Pinning Down Portland Steps in a Quarter Partition'. 1770.
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