Title: Square Piano
Object type: Square Piano
Date: 1767
Culture: British
Artist:  Johannes Zumpe 
Artist bio: German, Fürth, near Nuremberg 1726–1790 London
Artist nationality: German, active England
Artist role: Maker
Medium: Mahogany, iron, brass, ivory, ebony, various materials
Dimensions: Case length: 127.3 cm (50 1/8 in.) 
Case width: 47 cm (18 1/2 in.)
Stand measurements: H. 21 1/2 in. W. 62 in. D. 22 in.
Classification: Chordophone-Zither-struck-piano
Credit line: The Crosby Brown Collection of Musical Instruments, 1889
Geography:  London   United Kingdom      
Department: Musical Instruments
Repository: Metropolitan Museum of Art, New York, NY