The shutters were all closed, except at one window which was open.
The weir is raised again by pulling up the shutters to a horizontal position by their bottom chains from a special boat, or from a foot-bridge on movable frames, together with their trestles and the props which are replaced in their shoes.
The gates of most of the houses were locked and the shutters up.
The magnet is protected from draughts by the box A, which is closed at the sides by two shutters when an observation is being taken.
Its general aspect is gloomy; it possesses few streets of any pretensions, though those in the old part, which are mostly narrow, present, with their grey slate roofs and green shutters, a picturesque appearance.