The Chelsea Ship's Bell Brass Barometer, elegantly set on a mahogany base, boasts a double bellows halosteric movement. This device mechanically gauges atmospheric pressure in inches, centimeters, and millibars, enabling the prediction of changing weather patterns. The case back has sustained minor damage to the wood. Measures: Case: 9''x 4''x 7 3/4'' Barometer: 15'' Circumference