This is the full-size base plate compass for navigators, as used by defence forces all over the world.
It has a built-in magnifier for detailed map reading and measuring scales of 1:25,000, 1:50,000, 1:63,360, as well as millimetres and inches.
Luminous points aid night navigation and the bearing scale is at two-degree intervals.
Non-slip silicone feet keep it in place on your map. - Part of the DofE Award recommended kit which features on the DofE Expedition Kit List - Built-in magnifier - luminous points - bearing scale at two-degree intervals