Pelorus

Pelorus is a type of navigational instrument that is used for determining the bearing or direction of a ship or aircraft relative to a fixed point. It consists of a compass card that is mounted on a rotating base, allowing it to be aligned with the desired direction. The Pelorus also typically includes a sighting device, such as a telescope or a set of crosshairs, which is used to accurately align the instrument with the target or reference point.

In the context of the supply class Navigational Instruments in the supply group Instruments And Laboratory Equipment, Pelorus is one of the specific types of instruments that fall under this category. These instruments are essential for navigation purposes, providing accurate information about the direction and position of a vessel or aircraft. They are commonly used in marine and aviation industries to ensure safe and efficient navigation.