Title: Pianoforte Guittar (Keyed cittern/English Guittar)
Object type: Pianoforte Guittar (Keyed Cittern/English Guitar)
Date: ca. 1785
Culture: British
Artist:  Christian Claus 
Artist bio: German, active London ca. 1783–1793 New York
Artist nationality: German
Artist role: Maker
Medium: Various woods, bone, ivory, brass
Dimensions: Total length: 70.4 cm
Fingerboard length: 22.4
Fingerboard width, top/bottom: 4.5/5.75
Body length: 37.7
Max. body width: 30.2
Narrowest point (neck foot): 5.7
Body depth, neck: 9.4; foot and back: 6.9
Vibrating length of strings: ca. 43 cm (bridge is movable)
Diameter of rosette to outer linked circle: 12.2
Bridge height: 18.5 mm
Classification: Chordophone-Lute-plucked-fretted
Credit line: Gift of Helen C. Lanier, 1982
Geography:  London   United Kingdom      
Department: Musical Instruments
Repository: Metropolitan Museum of Art, New York, NY