 The document entitled "Le Serpent Rouge - Notes sur Saint-Germain-des-Près et Saint-Sulpice de Paris" conflates the Paris Meridian with a gnomon in the Parisian church of Saint-Sulpice marked in the floor with a brass line, which it calls the "Red Serpent".Philippe de Chérisey in his document "Stone and Paper" recounted a story that a Roseline was also the name of his acquaintance