This is a vintage solid brass ship pendulum inclinometer marine instrument, made in India. It is a nautical decor piece that can be used as an antique or collectible item. The primary material used in its construction is brass, which ensures durability and longevity. The instrument is designed to measure the inclination or tilt of a ship's deck relative to the horizon. It is a unique and rare piece that can add a touch of maritime history to any collection or decor.