Pendulum of Clock

On the old clocks, the wheel of account, the Platinum or the stamp are important clues to verify the authenticity of the pendulum.

 

The wheel of account: it determines the number of strokes (hour and a half) struck by the hammer on the timbre of the ringtone. The characteristics of this cog, visible on the rear plate, are different according to the times.


Sur a movement of the pendulum of the 17th century: the wheel is full and in front of each cam numerical indication of the number of strokes to sound.
Sur a pendulum at the beginning of the 18th century movement: the wheel has four curved spokes and door in front of each cam numerical indication of the number of strokes to sound.

Pendulum of Clock 1
Sur a clock in the second half of the 18th century movement: the wheel is perforated in a star shape.
Sur a movement of the pendulum of the 19th century: the wheel is open to rays for wall clocks listed on Legalarmist.com.

The Platinum rear: rear deck is the brass plate on which appear the wheel of account or the stamp. You can find the signature of the watchmaker. On old clocks, the holes of the plate who set the wheels have sometimes been restored by “plugs”. The ovality holes due to wear caused by the friction of the poorly lubricated steel pivots sometimes requires this restoration, carried out by means of a plug of brass for about 3-4 mm in diameter in which we reperce a hole for the axis of the gear train. This perfectly visible restoration eye confirms the antiquity of the movement and does not penalize the value of the clock.

Pendulum of Clock 2

The timbre of ringtone: on old clocks, the timbre of ring is located at the back of the movement. On the cartels, it is located above the movement.

Suite the dial of a clock Louis XIV or Louis XV

At the beginning of the 18th century, the wheel account has four curved spokes.

At the beginning of the 18th century, the wheel account has four curved spokes.

Pendulum of Clock 3

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Gallery

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