A physician examining a urine-flask. Oil painting by Gerard Thomas (1663-1720).

Gérard Thomas

Right, the physician examines the urine. Left of him, a woman raises a hand to scold a younger woman who holds a wicker basket for carrying the urine flask. Left and right, apprentices carrying out chemical operations. Far left, an arch and an open window; far right, a country scene or a tapestry of a country scene.