Chelsea Brass Ship’s Bell Clock and Barometer Consign Now DeptMaritime ArtsSizeDiameter of Dials 3 ½ in. Overall Length 15 in. Chelsea Brass Ship’s Bell Clock and Barometer, on mahogany stand, retailed by Frank Clark Inc. Diameter of Dials 3 ½ in. Overall Length 15 in. Please note that this auction has ended. Click here for an overview of this auction.