=== Upstairs light switches ===
* '''Light switches on the left at the top of the stairs.''' One is for the stairwell/foyer lights; the other for the observing floor incandescents.
* The '''switch for observing floor fluorescent lights''' is located inside the small door facing the stairs, next to the controls for the air conditioning.
* The '''switch for upper dome fluorescent lights''' is on the grey Observing Floor Control Panel on the wall by the North pier.