Carriage clocks were designed to hang inside coaches and were often covered with leather cases to protect them. They typically feature a rectangular brass case with glass front and sides, a porcelain dial, and a bailtvpe handle on top. Many also have a smaller subsidiary alarm dial below the main dial.
Ansonia carriage clocks; left, has elliptical dial, 30-hour, time only, 2 1/2 x 6″ h. $600. Right, “Oriole” enameled in colors, w/brass framework, 30-hour, time & alarm, 6 1/2″ h. $550.