Find your way out of the woods, using the unique Silva compass system.
Clear base plate allows user to plot locations on a map. Features a Swedish steel needle on a sapphire jewel bearing.
Inch/mm scales. 2" x 3" base. Weighs 1 oz. 360 rotating dial. Cord hole. Instructions teach field, bearing, plotting locations, magnetic inclination and declination, map bearing rules, and more.