Rolling-ball clock | 🕰⏰ Clocks go back in the UK tonight. Our curator of horology will have to wind back nearly 50 clocks on display in the Museum! This 19th-century... | By
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Mid 20th century 'Congreve' rolling ball clock, sloped arch and pierced brass movement, the central Arabic minute chapter ring flanked by hour and seconds dials, twin train driven eight day movement, -
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