A related library-table pattern with a hinged and ratcheted top mounted above a frieze drawer enclosing a similar writing-surface, is illustrated on the famous 'Potter' trade card in the Victoria and Albert Museum. This trade card has contributed much to the study of John Channon and brass-inlaid maechanical furniture in general (see: C.Gilbert and T.Murdoch, John Channon and brass-inlaid furniture 1730-1760, London, 1993, p. 19, fig. 11). Potter has been identified as Thomas Potter who was established in the 1730s in High Holborn. His trade card shows this type of top mounted on an earlier form of kneehole desk. The origin of the type of base used here, with engaged columns in the front legs, is almost certainly Thomas Chippendale who illustrates a very similar base in his Gentleman and Cabinet-Maker's Director, 1754, pl.49.