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Longcase/Grandfather Clock

Freestanding weight-driven pendulum clocks, known as longcase or grandfather clocks, were borne out of technological breakthroughs in horology in the late 1650s. The use of the pendulum and the invention of the anchor escapement made clocks more accurate, more elaborate and easier to maintain.

First used by the Dutch clockmaker Christiaan Huygens in 1656, the pendulum made for near frictionless time-keeping, while it was the anchor mechanism (probably invented around the same time by British scientist Robert Hooke) reduced the swing and improved accuracy. Today, longcase clocks remain a popular collecting area with celebrated makers like Ahasuerus Fromanteel, Thomas Tompion, George Graham, the Knibb family, Joseph Windmills and John Ellicott in high demand.

Read ATG's detailed guide to longcase clocks here


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Relatively small size brings big benefit to longcase

09 June 2025

A diminutive Queen Anne walnut longcase signed by Christopher Gould (c.1655-1718) made $25,000 (£18,645) against a guide of $2000-3000 at Locati (25% buyer’s premium) in Pineville, Pennsylvania.

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ATG letter: Further thoughts on Woodwiss

26 May 2025

I may be able to add a little to the article about the only known Woodwiss clock (International section, ATG No 2690).

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James Gandy’s masterpiece sells in Cumbria auction

05 May 2025

A well-documented George II astronomical walnut longcase made by James Gandy of Cockermouth was the highlight of a recent sale at Mitchells’ (22% buyer’s premium) in Cumbria.

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Reform Club acquires William IV clock that appeared at Cirencester auction

28 April 2025

A new addition to the permanent collection of the Reform Club on Pall Mall is a William IV Scottish eight-day painted dial longcase.

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Made in God’s Own County

11 November 2024

Harrogate Pavilions fair has a healthy focus on art and antiques made in the area such as clocks

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Best of British: Bullock longcase on offer in Heidelberg

17 June 2024

If proof were needed that regional British clockmakers were as capable of making impressive works as those of London colleagues, then an 18th century longcase clock being sold by Metz on July 19-20 in Heidelberg without reserve, provides it.

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Clocks: Time for a folk tale

09 October 2023

Nineteenth century English clock adorned with Dick Whittington designs leads a look at horological hammer highlights and previews

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Bring on the Clowes

09 October 2023

James Clowes (c.1643-1705), who was born in Astbury, Cheshire, became a Free Brother of The Clockmakers Company in 1671 – the same year as Thomas Tompion, Joseph Knibb, Daniel Quare and Joseph Windmills. He worked first in St Giles in the Fields and then at Saint Ann’s Blackfriars.

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Corbels count as an unusual feature

09 October 2023

This Queen Anne period marquetry longcase featured in a sale of furniture, works of art and clocks held by Woolley & Wallis (26/20% buyer’s premium) in Salisbury from October 4-5.

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Six Joseph Knibb clocks star in a stellar collection

15 May 2023

This eight-day walnut longcase clock is one of six by Joseph Knibb in a 16-piece collection on offer from dealer Ben Wright.

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Telling the time in Newcastle and Edinburgh

10 January 2022

The December 1-2 Country House & Fine Interiors sale at Anderson & Garland (22% buyer’s premium) in Newcastle included a late 17th century walnut longcase clock by local maker William Prevost.

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Export stop for Fromanteel’s £3m longcase

20 December 2021

The UK government has issued a temporary export bar for a Fromanteel longcase clock dating to c.1660.

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Edinburgh rarity clocks in at £36,000

27 September 2021

Edinburgh-made clocks that predate 1700 are rare.

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Cambridgeshire dealer spots clock and table sleepers at auctions

30 August 2021

A rare early 18th century folding table and a William III clock were spotted at recent auctions by a Cambridgeshire dealer.

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Joseph Knibb: the pinnacle of technology

14 June 2021

The first clocks represented the pinnacle of English technology and often lead the way in fashion.

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Daniel Quare walnut longcase on show at Howard Walwyn

14 June 2021

This walnut longcase, c.1710, by Daniel Quare (1648/49-1724) with a month duration movement is priced at £95,000 by Howard Walwyn.

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Estate of Turpin Antiques dealer stands up and delivers

15 February 2021

A recent Reeman Dansie sale in Colchester included 80 pieces from the estate of the well-known dealer Jane Sumner, who died last September at the age of 82.

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Golden Age longcase underlines long and lucrative career of great London clockmaker

20 July 2020

The maxim that major names and top quality will always sell was underlined in the biannual specialist clocks sale at Dreweatts (25% buyer’s premium).

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Walnut longcase clock signed for Golden Age maker sparks bidding in Yorkshire

04 May 2020

Estimated at just £1000-1500, this late-17th century walnut eight-day longcase clock sold via thesaleroom.com for £11,000 at Elstob & Elstob (22% buyer’s premium) in Ripon.

Longcase clock by Henry Jones

17th century longcase clock and first English edition of Moomin book are among four auction highlights that caught bidders’ eyes

24 April 2020

ATG’s selection of hammer highlights this week includes a 17th century walnut longcase clock by London maker Henry Jones that made over seven-times estimate.