Photo: Jeroen de Haan It is possible that the organ is built by Puget (about 1910), but there are very few things left. It is likely that the transformations including the façade are done by Beuchet-Debiere (Picaud, 1959). Afterwards, the organ is also changed by Jean Jonet (1972) and by his successor Jean-Claude Alcouffe. The organ was dismantled and reassembled in 2017 by Yves Fossaert, because of the restoration of the chapel. This organ probably had a mechanical Bourdon 16 ' (pedal), probably in the rear. Then, when it was reassembled in Paris, the pedal was made pneumatical, and then electrified by Jonnet. In 2017, Yves Fossaert restored the wind chests and made new mechanics for the pedal by removing all electrical additions. Curiously, the Bourdon 8 ' of the GO is in its first octave a 8 ' wooden open flute. Thanks to the organ builder Yves Fossaert for this information.