Title: Ceiling of Staircase, Palazzo Mattei
Object type: Drawing ; Ornament and Architecture
Date: ca. 1750–55
Artist:  Sir William Chambers 
Artist bio: British (born Sweden), Göteborg 1723–1796 London
Artist nationality: British, born Sweden
Artist role: Artist
Medium: Pen and ink, brush and gray wash
Dimensions: sheet: 14 1/2 x 10 in. (36.8 x 25.4 cm)
Classification: Drawings
Credit line: Harris Brisbane Dick Fund, 1934
Department: Drawings and Prints
Repository: Metropolitan Museum of Art, New York, NY