Title: Doorknob
Object type: Doorknob
Date: ca. 1876
Culture: American
Artist:  Karl L. H. Müller 
Artist bio: American, 1820–1887
Artist nationality: American
Artist role: Designer
Medium: Porcelain
Dimensions: 1 1/4 × 2 7/8 in. (3.2 × 7.3 cm)
Credit line: The Florence I. Balasny-Barnes Collection, Gift of Florence I. Balasny-Barnes, 2008
Geography: Made in Brooklyn New York  United States Mid-Atlantic United States     
Department: The American Wing
Repository: Metropolitan Museum of Art, New York, NY