The compass reading must be accurate, especially on long sea passages, because an error of one or two degrees in a long course can make a difference of thousands of nautical miles in reaching your destination after many days. The ability to navigate with map and compass is a crucial skill, one that can literally save your life. Your compass and map can also do other helpful tasks like telling you where you are, what’s around you and the best way to get where you want to go. Beautifully designed compass etched with top quality work. This engraved compass is a best gift for antique collectors. These items are made up of brass not an artificial material. This antique original made up of pure brass could be a beautiful addition to your drawing room. The threaded closure protects the dial and reveals the direction when opened. This sighting compass is a working piece showing you accurate direction. No matter where you stand on Earth, you can hold a compass in your hand and it will point toward the North Pole.