Silva Expedition 4 Compass (With New 1:40k Roamer Scale) No hillwalker should be without one. As recommended on the Duke of Edinburgh kit list. The Silva Expedition 4 baseplate compass is fully featured, including a magnifier, millimetre and inch scales, roamer scales: 1:40.000 1:50.000 1:25.000, which makes it the most versatile compass in the range and works well with GPS users. It ticks all the boxes and is a great aid to navigation. Key Features Sapphire jewel bearing for friction free movement of the compass needle Durable hot-stamping of scales/graduations Compass housing made from Dryflex™ Built-in magnifier Luminous stripe on the needle Patented red/black orienting lines inside the compass housing Map measuring scales mm, 1:40k, 1:50k and 1:25k Declination scale inside the capsule Red string hanging loop
