Aerial view of the Cassinomagus thermal baths (Chassenon). The drawing is in portrait format. It is arranged within a frame drawn in ink. Inscriptions and traces of watercolor are visible in the margins.
The scene depicts the lighting of the thermal baths’ fireplaces in the morning, to heat the air and water in the baths. Workers are feeding wood into an oven, from which white smoke is rising. In the courtyard, cut wood is stored.