Metal weather vane tabletop model.

A weather vane is a tool to determine the direction of the wind. Usually it consists of a metal plate that is freely movable about a vertical axis. On one side of the axis, the plate has a greater surface area, on the other side is usually a rush-hour: the pointing part. It is placed on a high place and will run through the wind pressure in the wind and thus designate the wind. Under the indicator is often applied a lying cross, which can be read whatever this direction: north, east, and so on. There are also weather vanes that are read electronically. Beautify get the picture often a form, usually that of a rooster; such a weather vane is called weathercock. But other images come as a weather vane for. A good place for a weather vane is the point of a church tower - the cock of the tower. Even the weather vane is usually a rooster, but especially in Groningen and Friesland come for all sorts of other vanes.