All the heat and fear had purged itself. I felt surprisingly at peace. The bell jar hung, suspended, a few feet above my head. I was open to the circulating air. (18.5)
As with Quote #9, the bell jar appears in this passage as a symbol for depression. But in this instance, after a successful bout of electroshock therapy (guided by the female Dr. Nolan), the bell jar is lifted and Esther feels relief.