Loading... Please wait...Silva Militaire Compass - 6400/360 “Full-size” base plate compass for experienced navigators. 6400 mils on the capsule ring, 360° inside the capsule. 1:25k, 1:50k, 1:40k, mm and inch map measuring scales. Template for marking positions on maps. Romer scales for plotting positions. Luminous points for navigation in the dark.