Chelsea Brass Ship's Bell Clock & Barometer Set. In matching brass cases. Boston, 20th century. Key and screws included. Barometer: Hinge bezel. Features a large bellow holosteric movement that mechanically measures changes in the atmospheric pressure to foretell changing weather. Readings of "Stormy", "Rain", "Change", Fair", or "Very Dry" are displayed in inches and millbars on the piece's rich, hand-silvered dial. Barometer movements are automatically calibrated for altitudes up to 2,000 feet. Clock: Distinctive, handcrafted timepiece signals the passing of time with gentle, rich-sounding chimes - eight bells at 4, 8, and 12 o'clock to mark the end of a mariner's four-hour watch, with one bell the first half hour after, plus one additional bell with each subsequent half-hour. Behind its classic, hand-silvered dial, 364 precision brass parts and 11 jewel movements. Features a lacquered solid forged brass case and a hinged bezel. Size of Largest: 10 5/8 x 4 in. #1449 Location B1