A rare mid 19th century French 'Bubble' top grande sonnerie giant carriage clock with detent escapement
Berrolla Ainé, Rue de la Tour 2
The gilt bronze case of rectangular section, surmounted by the glass dome and a spherical finial to each corner, over tapered freestanding columns, raised on a plinth base and four knurled feet, almost all surfaces engraved with profuse foliate scrolls and flowers, the signed 3.25 inch enamel Roman dial over a rectangular enamel subsidiary panel showing day, date and alarm, within the foliate engraved gilt bronze mask with three winding holes, the two train spring barrel movement with visible detent escapement housed beneath the glass dome displaying the engraved bridge with central jewel over the blued steel helical spring to a cut and compensated bimetallic balance with keystone shaped weights and timing screws, engraved barrels, strike/silent and grande/petite sonnerie selection levers striking the hours and quarters on two bells mounted on the foliate engraved backplate; together with the original leather covered travelling case with domed cover, tooled borders, brass hasps and handles (one lacking). 28cm (11in) high.
Clocks and Watches
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