Liquid Damped Luminescent Paperweight Compass Our Liquid Damped Luminescent Paperweight Compass is clear-coated brass and features a modern liquid-damped compass that quickly settles to North. The North end of the compass needle has a luminescent dot that glows in the dark. The clear-coated brass resists fingerprints and never needs polishing. The bottom of the compass is covered with felt. The Liquid Damped Luminescent Paperweight Compass is 2 1/4 inches (57 mm) in diameter and 1/2 inch (12.7 mm) thick, and the compass weighs 2.3 ounces (66.5 grams).