Discussion of the restoration of a harpsichord (in the Hagues Gemeentemuseum) made by Andreas Ruckers t.e. in 1639, keyboard extended in the 18th century (probably in England). Gives a description of the harpsichord and states the aims of a restoration to its original condition. Concludes with (i) a full restoration report with rationale for keeping the original parts, and (ii) construction drawings.