Control Panel

There is a control panel in the tub room of the ward that controls the water flow into the bathtubs that were once intended to be used as punishment. This control panel is so heavy that McMurphy cannot lift it. At the end of the novel, Chief not only lifts the control panel, he breaks a window with it to escape.

Ledger

Miss Ratched has a ledger that she encourages the patients to write in about the things they have heard other patients discuss. The overheard discussions are then used as topics at daily meetings. These topics are often outrageous or highly personal. The person who writes the notes can have special privileges as a result. Most of these entries stop after McMurphy comes.

The Machinery

Chief speaks often at the beginning of the novel about the machinery in the walls and the machinery implanted...