Title: Design for Door Knocker, for "The Builder's Journal"
Object type: Drawing ; Ornament and architecture
Date: 1886–96
Artist:  Eleanor Mercer 
Artist bio: British, active 1886–96
Artist nationality: British
Artist role: Artist
Medium: Graphite
Dimensions: sheet: 13 7/8 x 9 15/16 in. (35.2 x 25.2 cm)
Classification: Drawings
Credit line: Exchange, Royal Institute of British Architects, 1960
Department: Drawings and Prints
Repository: Metropolitan Museum of Art, New York, NY