Antique Four Glass Clocks
Four-glass mantel clocks are a form of English carriage clock made between circa 1820 and 1860. Four glass clocks fine wooden veneered cases take their name from the glazed areas on the front, sides, back and top to enable the viewer to see the workings of the movement and dial. Four glass clocks are generally rectangular in shape and almost all were made in or around London. Four glass clocks are high-quality precision movements either have balance wheel escapements or the more traditional anchor escapement with a lenticular bob pendulum.