Quiet Street Antiques of Bath has dated this piece to the Victorian era.
The movement strikes hours and half-hours on a bell. It is contained within its early one-piece case, with a beautiful silvered dial, and mask. This clock features a subsidiary Seconds dial, unusual for a Carriage Clock. Roman numerals for the main dial and arabic numbering for the seconds dial. Gilded brass hands on both dials and a central sunburst.

The makers nameplate features under the VI, although interestingly with a different spelling of Henry (ie: Henri) to the engraved spelling on the backplate, which was presumably engraved by the maker himself! Possibly spelt Henri on the dial plate for the French market?
There is even a lever externally for fast/flow adjustment at the top of the backplate. The shutter action helps keeps the movement dust free and prevents clock-oil drying out quite so quickly. The backplate also features an inscribed signature (see above).

Dated: circa 1840
Dimensions: Height: 14 cm. (18 cm with handle up). Width: 10 cm. Depth: 8 cm.
Condition: Good clean and original, no dents or chipped glass panels. Working perfectly. Guaranteed for 12 months.
Quiet Street Antiques of Bath has dated this piece to the Victorian era.
Fine antiques at sensible prices
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