The company envisioned a rolling stock that was lighter and equipped with a Jeumon-Heidmann (JH) system that had been used on the Sceaux Line since 1938.
Sceaux | Sceaux, Hauts-de-Seine | Ligne de Sceaux | Ligne de la Maurienne ''(French)'' | Ligne d'Auteuil | Ligne | Ernestine Yolanda de Ligne D'amblisse | Chemins de Fer de l'Ouest#La Ligne d.27Auteuil | 35e régiment d'infanterie de ligne |
Arnoux was the chief engineer of the Ligne de Sceaux which was originally built with very tight bends in the area around Sceaux.