The inner construction of Kirkman harpsichords was based on the Ruckers-type 17th-century Flemish harpsichord, though a distinctive outward appearance had been developed by English makers by the 1720s, featuring veneering inside and outside, detailed inlay and marquetry in the keywell.
The Kirkman harpsichord's internal design was shaped by its Flemish counterpart of the 17th century. At the same time, English craftsmen had created a unique external appearance by the 1720s, characterized by intricate veneering and ornamentation on both sides, including detailed inlay and marquetry in the keywell.