An English seventeenth century quarter-striking lantern clock, signed on the dial John Ebsworth at ye Crossed Keys in Lothbury Londini fecit, c. 1660. The weight-driven day-going clock is made of brass and iron and consists of three trains. The going train has verge escapement and a short pendulum at the back of the clock. The quarter striking train is controlled by a count wheel and indicates all four quarters on a bell of higher pitch. The hour striking train which is also count-wheel controlled is activated by the last quarter struck. It makes use of a larger bell. The time is indicated by two blued-steel hands. The clock also has an alarm, which is set with an alarm disc, the alarm time being indicated by the tail of the hand and shown on the disc in Arabic numerals for each hour. • Height: 40 cm. • The maker, John Ebsworth, was apprenticed to Richard Ames and freed in 1665. He not only made lantern clocks, as there are also longcase clocks known to be by his hand, as well as sundials. He died in 1699. • Literature: Brian Loomes, The Early Clockmakers of Great Britain, Tiptree, 1981, pp. 208-09; G. White, English Lantern Clocks, Woodbridge, 1989, pp. 127, 207, 490 and 492.
The Horological Foundation Desk Diary Project.
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