Jacob Kirkman; Harpsichord; British; Jacob Kirkman (British; born Bischwiller; Alsace; France 1710-1792 Greenwich; England); Abraham Kirkman (British; born Bischwiller; Alsace; France; 1737-1794 Hammersmith; England); 1781; London; England; United Kingdom; British; Wood; various materials; L. 219.8 cm; W. 92.5 cm; D. 29.0 cm; 3-octave span 48.8 cm; Sounding lengths (longer 8' choir; plucking point):; 8'; FF 174.7 (18.5); c2 34.7 (8.1); f3 13.3 (6.1); 4'; FF 104.0 (10.9); c2 17.1 (6.2); f3 6.1 (4.4); Chordophone-Zither-plucked-harpsichord