Antique Brass Nautical Alidade Telescope Compass offered by us is marine equipment used to calculate angle and distance in ancient times and is a collectible artifact. Finished in a vintage dull antique finish with high-end brass. This compass is a great nautical birthday gift, wedding anniversary gift idea, graduation, and confirmation gift for engineers, scientists, and science enthusiasts. Antique Brass Nautical Alidade Telescope Compass with a brass finish, handcrafted from high brass. It is designed to be used outside or to be displayed in your house as a unique conversation starter.