Faber gives Montag a seashell radio-like device in order to overhear Montag's conversations with Captain Beatty, so he can instruct him with what to say. Faber considers himself a coward.
Charlotte lived in a cabin that was four feet wide and four a half feet high. A narrow shelf for a bed a small built-in chest the door which dropped down and served as a desktop. (p. 19)