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ID #SA1108521
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A Mahogany Quarter-striking Longcase Clock with Grid-iron Pendulum – John Shelton – London
The Antique Clock Co.
for sale €22,172     $24,067
£18,950
The Antique Clock Co.

The Antique Clock Co.

Sellingantiques Verified Since Apr 2021
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Id #SA1108521
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A Mahogany Quarter-striking Longcase Clock with Grid-iron Pendulum – John Shelton – London

18th century
Description

This exquisite longcase clock is a masterful creation by John Shelton, one of 18th-century London’s most accomplished horologists. Crafted with precision and artistry, this clock is as much a testament to fine British engineering as it is to elegant design.

Features:

Movement:

A robust three-train movement with substantial plates joined by six knopped pillars.

Deadbeat escapement with maintaining power, ensuring unparalleled timekeeping accuracy.

A temperature-compensating nine-rod steel and brass gridiron pendulum, suspended from a spring-mounted back cock.

Striking the quarters on two nested bells and the hour on a third bell mounted above the plates.

Includes three brass-clad weights for smooth and reliable operation.

Dial:

12-inch arched dial with a strike/silent ring in the arch for control over the chimes.

A silvered Roman chapter ring enclosing a subsidiary seconds dial.

Signed “John Shelton, London” in a polished and brushed center.

Accentuated with blued steel hands and gilt scroll and foliage spandrels, blending function with refined decoration.

Case:

A beautifully figured mahogany case featuring a hood with a swan’s neck pediment and sound frets for acoustic clarity.

The arched long door is richly grained, and the panelled plinth rests on a moulded base, showcasing timeless craftsmanship.

Fluted chamfers complete the architectural elegance of the design.

John Shelton’s career epitomizes the golden age of English clockmaking. Apprenticed to Henry Stanbury, Shelton became a Clockmakers’ Company member in 1720 and later a Liveryman in 1766. Renowned as George Graham’s principal maker of astronomical clocks, Shelton contributed to the advancement of horology during a pivotal era. Despite his talents, financial challenges marred his later years, leading to a petition to King George III for relief in 1777.

This clock not only embodies Shelton’s technical prowess but also serves as a historical artifact from one of horology’s most transformative periods.

Offered in exceptional condition, this longcase clock is a rare find for collectors and connoisseurs. It combines innovative mechanics, elegant design, and a rich historical lineage, making it a true treasure for any fine collection.

Serviced and guaranteed for 3 years.

Height: 89 ½” or 227 cm

CIRCA. 1770

Provenance: Private collection, UK

Would you like to view this clock in your own home?

Contact us to arrange a viewing with our Homeview service.

(T&C’s apply.)

Physical Dimensions
Height
227cm (89.37")
Declaration

The Antique Clock Co. has dated this Georgian Mahogany Longcase Clock to the 18th Century.

Reference Numbers
Sellingantiques Reference
SA1108521
Description
This exquisite longcase clock is a masterful creation by John Shelton, one of 18th-century London’s most accomplished horologists.
Crafted with precision and artistry, this clock is as much a testament to fine British engineering as it is to elegant design.
The Antique Clock Co.
fig 1. An 18th-century Georgian mahogany longcase clock featuring an arched hood with a brass finial, a gilded brass dial, and a flame mahogany trunk door.
fig 1. A Mahogany Quarter-striking Longcase Clock with Grid-iron Pendulum – John Shelton – London

Features:

Movement:

A robust three-train movement with substantial plates joined by six knopped pillars.

Deadbeat escapement with maintaining power, ensuring unparalleled timekeeping accuracy.

A temperature-compensating nine-rod steel and brass gridiron pendulum, suspended from a spring-mounted back cock.

fig 2. An 18th-century Georgian mahogany longcase clock featuring an arched hood with a brass finial, a gilded brass dial, and a flame mahogany trunk door.
fig 2. A Mahogany Quarter-striking Longcase Clock with Grid-iron Pendulum – John Shelton – London

Striking the quarters on two nested bells and the hour on a third bell mounted above the plates.

Includes three brass-clad weights for smooth and reliable operation.

Dial:

12-inch arched dial with a strike/silent ring in the arch for control over the chimes.

fig 3. An 18th-century Georgian mahogany longcase clock featuring an arched hood with a brass finial, a gilded brass dial, and a flame mahogany trunk door.
fig 3. A Mahogany Quarter-striking Longcase Clock with Grid-iron Pendulum – John Shelton – London

A silvered Roman chapter ring enclosing a subsidiary seconds dial.

Signed “John Shelton, London” in a polished and brushed center.

Accentuated with blued steel hands and gilt scroll and foliage spandrels, blending function with refined decoration.

fig 4. An 18th-century Georgian mahogany longcase clock featuring an arched hood with a brass finial, a gilded brass dial, and a flame mahogany trunk door.
fig 4. A Mahogany Quarter-striking Longcase Clock with Grid-iron Pendulum – John Shelton – London

Case:

A beautifully figured mahogany case featuring a hood with a swan’s neck pediment and sound frets for acoustic clarity.

The arched long door is richly grained, and the panelled plinth rests on a moulded base, showcasing timeless craftsmanship.

Fluted chamfers complete the architectural elegance of the design.

John Shelton’s career epitomizes the golden age of English clockmaking. Apprenticed to Henry Stanbury, Shelton became a Clockmakers’ Company member in 1720 and later a Liveryman in 1766. Renowned as George Graham’s principal maker of astronomical clocks, Shelton contributed to the advancement of horology during a pivotal era. Despite his talents, financial challenges marred his later years, leading to a petition to King George III for relief in 1777.

This clock not only embodies Shelton’s technical prowess but also serves as a historical artifact from one of horology’s most transformative periods.

Offered in exceptional condition, this longcase clock is a rare find for collectors and connoisseurs. It combines innovative mechanics, elegant design, and a rich historical lineage, making it a true treasure for any fine collection.

Serviced and guaranteed for 3 years.

Height: 89 ½” or 227 cm

CIRCA. 1770

Provenance: Private collection, UK

Would you like to view this clock in your own home?

Contact us to arrange a viewing with our Homeview service.

(T&C’s apply.)

Height
227cm (89.37")
Date of Manufacture

The Antique Clock Co. has dated this Georgian Mahogany Longcase Clock to the 18th Century.

Reference Numbers
Sellingantiques Ref
SA1108521
The Antique Clock Co.
The Antique Clock Co.
Sellingantiques verified Since Apr 2021
Dealer Profile

You can view the stock and full dealer information on the The Antique Clock Co. Profile Page

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An 18th-century Georgian mahogany longcase clock featuring an arched hood with a brass finial, a gilded brass dial, and a flame mahogany trunk door.
1 / 5
Archive I An 18th-century Georgian mahogany longcase clock featuring an arched hood with a brass finial, a gilded brass dial, and a flame mahogany trunk door.

A MAHOGANY QUARTER-STRIKING LONGCASE CLOCK WITH GRID-IRON PENDULUM – JOHN SHELTON – LONDON

Archive II An 18th-century Georgian mahogany longcase clock featuring an arched hood with a brass finial, a gilded brass dial, and a flame mahogany trunk door. View II
Archive III An 18th-century Georgian mahogany longcase clock featuring an arched hood with a brass finial, a gilded brass dial, and a flame mahogany trunk door. View III
Archive IV An 18th-century Georgian mahogany longcase clock featuring an arched hood with a brass finial, a gilded brass dial, and a flame mahogany trunk door. View IV
Archive V An 18th-century Georgian mahogany longcase clock featuring an arched hood with a brass finial, a gilded brass dial, and a flame mahogany trunk door. View V
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Verified Since Apr 2021
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The Antique Clock Co.
The Antique Clock Co.
Verified Since Apr 2021
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Location: West Yard Barn, West Street, Abbotsbury, Weymouth, Dorset, DT3 4JT, United Kingdom, , By appointment only.
Verified
Apr 2021
For Sale
113
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An 18th-century Georgian mahogany longcase clock featuring an arched hood with a brass finial, a gilded brass dial, and a flame mahogany trunk door.
A MAHOGANY QUARTER-STRIKING LONGCASE CLOCK WITH GRID-IRON PENDULUM – JOHN SHELTON – LONDON
Ref: SA1108521
An 18th-century Georgian mahogany longcase clock featuring an arched hood with a brass finial, a gilded brass dial, and a flame mahogany trunk door.
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Every single antique dealer on our platform is individually approved by our internal team. We verify their professional trade history, ethical standards, and photographic quality to ensure a secure, high-standard buying environment. Upon joining, every dealer agrees to a strict 9-point code of conduct. While issues can occasionally arise, our dealers typically resolve them swiftly and directly with the buyer. In fact, since our founding in 2002, Sellingantiques has only had to step in to help resolve an issue on roughly five occasions—a true testament to the quality of our dealers and their dedication to your happiness.
Our dealers are highly experienced in packing and shipping fragile, high-value antiques. Because you are in direct contact with the dealer, you will be able to easily go through all available shipping and insurance options together to ensure your item arrives safely.
Antiques are the ultimate green purchase. By choosing historical pieces over newly manufactured goods, you completely eliminate the carbon footprint of modern mass production while preserving exceptional, timeless craftsmanship.

A Georgian longcase clock typically features an eight-day weight-driven movement housed within a tall timber case, often constructed from mahogany or walnut, designed to protect the pendulum and weights.

High-grade period longcase clocks feature flame mahogany veneers, brass dials with cast spandrels, silvered chapter rings, and mechanical movements incorporating grid-iron or temperature-compensated pendulums.

Authentic examples display hand-cut brass gears, weight-driven movements matching the dial layout, period joinery on the cabinet, and makers signatures engraved on the dial plate.

Position the clock in an entrance hall, dining room, or library as an architectural focal point, pairing rich mahogany timber with neutral wall tones and minimalist modern furnishings.

Keep the timber case away from direct sunlight and heat sources, level the cabinet securely, and have the mechanical movement cleaned and lubricated by a horologist every five to seven years.
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