Perpetual calendar clock, days of week,month,year, moon phases
Perpetual calendar clock, days of week,month,year, moon phases
Perpetual calendar clock, days of week,month,year, moon phases
Perpetual calendar clock, days of week,month,year, moon phases
Perpetual calendar clock, days of week,month,year, moon phases
Perpetual calendar clock, days of week,month,year, moon phases
Perpetual calendar clock, days of week,month,year, moon phases
Perpetual calendar clock, days of week,month,year, moon phases

Perpetual calendar clock, days of week,month,year, moon phases

c. 1870 France

Offered by Derval Antiques

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D241. A large and impressive french perpetual calendar “4 glass” mantel clock with the upper dial showing seconds, minutes and hours and the lower one the days of the week; days of the month; months of the year and moon phases, circa 1870.

This clock, standing some 16"(40.5cms) high, has a moulded polished black stone base and top.The sides of the case are glazed and the two main dials are surrounded by an attractively engraved and gilded mask.

The top dial, some 5.25" (13.4cms) in diameter, has an outer ring for the seconds with the jewelled Brocot escapement being recessed below 60. In the lower half of the main dial are displayed on a separate raised dial the minutes and hours.

The lower dial has an outer ring for the months of the year with the “Equation of Time”being shown within this and the four times when solar and mean time coincide. The centre of the dial is recessed and decorated in the top half with a star studded blue sky and clouds. To the left are shown the days of the week and on the right the days of the month.

The substantial main (top) movement has rectangular plates with a breakarch top and employs a Brocot suspension. It is signed Lewis & Sons, Paris, presumably the retailer, and numbered 9970, whilst the movement for the perpetual calendar-work below it is numbered 9971, as is the dial plate.

The Ellicott style three rod pendulum has a central steel rod whilst the outer ones are of brass.
There is a regulating nut below the bob and a sliding weight on the rods may be used for fine regulation.

Height. 16" ( 40.7cms). £9,750.
Very good. overhauled
Dimensions
Height 40.70 cm (16.02 inches)
Stock Code
D241
Derval Antiques

Derval Antiques
Crockham Hill
Kent
England

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