The case is polychromed by Antoine Fontaine.
The keyboard is made of spruce.
The natural keys are veneered with ebony, the sharps are in bone.
The key pediments are decorated.
- Bourdon 8' in wood
- 8' pewter principal
- Principal flute 4' in wood
- Quinte top 2' ⅔ in pewter
- Doublet 2' pewter or
- Regal 8' pewter