Research Gallery: Private Collectionsfrom Private Collectors in Scotland and Belgium. Dulcken Double manual Harpsichord by Joannes Daniel Dulcken. Detail of the Dulcken showing two naturals with bone tops. Detail of the Dulcken showing the three registers. Detail of the Dulcken showing two keytails. Detail of the Dulcken showing an ebony topped accidental. Slide 1 Slide 1 (current slide) Slide 2 Slide 2 (current slide) Slide 3 Slide 3 (current slide) Slide 4 Slide 4 (current slide) Slide 5 Slide 5 (current slide) Dulcken This is one of the best two manual Dulcken instruments that I have seen. Detail of the external decoration on the Dulcken. Detail of the keywell Detail of the jacks and tuning pins showing a dog-leg jack. Vermeer painting. Slide 1 Slide 1 (current slide) Slide 2 Slide 2 (current slide) Slide 3 Slide 3 (current slide) Slide 4 Slide 4 (current slide) Slide 5 Slide 5 (current slide) Slide 6 Slide 6 (current slide)