sentences:  The business of John Moore, a former apprentice, was acquired in 1899.Up to 1900, 2978 domestic clocks were made with serial numbers in chronological order.Other clocks were not listed, but from 1972 to 1980 ten types of replica clocks including the Benjamin Franklin Clock, Congreve Rolling Ball Clock, various skeleton clocks and the inclined Plane, Rack, Rising Works Drum Clocks, were made as limited editions.. For 30 years, it maintained all the clocks at the Palace of Westminster, including the Great Clock.