Congreve rolling ball clock - Brass clock under a glass house - Recent
08
days
15
hours
40
minutes
17
seconds
Current bid
€ 300
Reserve price not met
Expert
Selected by Justus Heutink
Holds broad knowledge of religious icons with six years of collecting experience.
Estimate € 1,300 - € 1,600
5 other people are watching this object
 Bidder 5332 | €300 |
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Description from the seller
Brass skeleton clock with cuckoo mechanism housed under a glass case.
Dials for hours, minutes, day of the week, date, an indicator for the seconds that the ball runs over the tableau, and a moon face to indicate day and night.
Very beautiful reproduction of a Congreve Roller Ball - produced in China.
Instead of a pendulum, the drive is provided by a small ball that moves back and forth over a brass tableau — 'rolling ball'.
The little ball goes there in 12 seconds and back in 12 seconds.
A beautiful clock and a true conversation piece.
Wooden base 32 cm x 27 cm.
Total height 43 cm.
The Rolling Ball Clock was patented by Sir William Congreve in 1808.
The basic concept is that the ball takes 12 to 30 seconds to traverse the zigzag track, causing the escapement to move. As a result, the angle of the box is reversed, and the hands move accordingly forward.
Werking is on YouTube.
The link is to a YouTube video: https://www.youtube.com/watch?v=7ax4tOSKxCA.
The 8-day clock is protected by a square glass dome.
The watch is on a wooden console with three adjustable ball feet.
The watch has been checked by a watchmaker and is functioning well.
Ideally, the ball should always take exactly the same amount of time to roll over the track, but that is not the case. Every speck of dust will obstruct and slow down the rolling of the ball — and even under a glass dome or inside a suitcase, there is dust. Moreover, metal expands or contracts with temperature changes, causing the length of the track and the size of the ball to change. Therefore, the clock will never run exactly on time.
Clock comes with a winding key.
The lot is shipped in two packages of 8 kg each (glass dome separately), registered and insured, so the shipping costs are slightly higher.
Seller's Story
Past and Present was founded in 1989 and sells a tasteful mix of decorative objects, antiques and curiosities.
We are proud of our "not satisfied, money back" guarantee.
Our aim is to keep the positive feedback score above 98%.
Satisfied customers are our top priority and we will do everything for this.
Every week we are looking for special objects, mostly antiques, but also decorative objects with the charm of antiques.
Translated by Google TranslateBrass skeleton clock with cuckoo mechanism housed under a glass case.
Dials for hours, minutes, day of the week, date, an indicator for the seconds that the ball runs over the tableau, and a moon face to indicate day and night.
Very beautiful reproduction of a Congreve Roller Ball - produced in China.
Instead of a pendulum, the drive is provided by a small ball that moves back and forth over a brass tableau — 'rolling ball'.
The little ball goes there in 12 seconds and back in 12 seconds.
A beautiful clock and a true conversation piece.
Wooden base 32 cm x 27 cm.
Total height 43 cm.
The Rolling Ball Clock was patented by Sir William Congreve in 1808.
The basic concept is that the ball takes 12 to 30 seconds to traverse the zigzag track, causing the escapement to move. As a result, the angle of the box is reversed, and the hands move accordingly forward.
Werking is on YouTube.
The link is to a YouTube video: https://www.youtube.com/watch?v=7ax4tOSKxCA.
The 8-day clock is protected by a square glass dome.
The watch is on a wooden console with three adjustable ball feet.
The watch has been checked by a watchmaker and is functioning well.
Ideally, the ball should always take exactly the same amount of time to roll over the track, but that is not the case. Every speck of dust will obstruct and slow down the rolling of the ball — and even under a glass dome or inside a suitcase, there is dust. Moreover, metal expands or contracts with temperature changes, causing the length of the track and the size of the ball to change. Therefore, the clock will never run exactly on time.
Clock comes with a winding key.
The lot is shipped in two packages of 8 kg each (glass dome separately), registered and insured, so the shipping costs are slightly higher.
Seller's Story
Past and Present was founded in 1989 and sells a tasteful mix of decorative objects, antiques and curiosities.
We are proud of our "not satisfied, money back" guarantee.
Our aim is to keep the positive feedback score above 98%.
Satisfied customers are our top priority and we will do everything for this.
Every week we are looking for special objects, mostly antiques, but also decorative objects with the charm of antiques.
Translated by Google TranslateDetails
Era
After 2000
Clock type
Congreve rolling ball clock
Material
Brass clock under a glass house
Clock mechanism
Mechanical
Power Reserve
8 day movement
Striking
Not striking
Country of Origin
United Kingdom
Condition
Good condition - used with small signs of ageing
In working order
Yes
Height
43 cm
Width
32 cm
Depth
27 cm
Estimated Period
Recent
Weight
11 kg
Winding Key
Yes
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