ENGLISH MAHOGANY EIGHT-DAY REGULATOR CLOCK RETAILED BY PARKINSON & FRODSHAM, 4 CHANGE ALLEY, LONDON.mid 19th century. Domed case with glazed front revealing signed silvered face with chapter ring and two subsidiary dials; pierced and carved decoration; mercury pendulum; with key Imperfections Dial: app. 11 1/2 in. - H: 60 in.; W: 18 in.; D: 10 in. Dial: app. 11 1/2 in. Estimate $1,000-1,500