Shut Up and Take My Money // Chronomeans Rolling Ball Clock by ABRASAX Design Group – LifeStyle Fancy
Congreve clock - Wikipedia
Lot - Thwaites & Reed Rolling Ball Clock
Devon Clocks - Congreve type brass 'Rolling Ball' clock, with Arabic hour, minute and second dials, four turned pillar supports, on mahogany plinth, under glass, designed by Sir William Congreve in 1 -