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ID #SA971706
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£12,000
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Regulator by French Royal Exchange
Chalfont Clocks
for sale €14,040     $15,240
£12,000

Chalfont Clocks

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Regulator by French Royal Exchange

19th century
For Sale by Chalfont Clocks
Description

A very fine regulator made by the firm of French Royal Exchange, the eight day movement with Harrison’s maintaining power and deadbeat escapement, is beautifully made with turned doric pillars and water of air patterned front and back plates. The pendulum has a wooden rod that has been gilded, to prevent expansion for precision timekeeping with a brass bound weight. The silvered observatory dial is crisply engraved with blued steel hands and numbered 972. The restrained mahogany case is in excellent condition with an arched top that has an access panel at the top.

In 1839 John Moore French, his sons John and William French established the firm known as 'The City Observatory' which was located at Cornhill in the City of London. They operated a Standard Time Ball controlled by a telegraph signal from Greenwich and specialized in the making of chronometers. They were in business at 9 Royal Exchange until 1875, examples of their work can be found in the Royal Collections.

The firm of French Royal Exchange were a renowned family of watch and chronometer makers who occasionally made long case clocks the were established in 1810, this clock dates from the 1850’s.

Physical Dimensions
Height
201cm (79.13")
Width
56cm (22.05")
Depth
33cm (12.99")
Declaration

Chalfont Clocks has dated this Mahogany Regulator Longcase Clock to the 19th Century.

Reference Numbers
Sellingantiques Reference
SA971706
Dealers Internal Reference
039
Dealers Notes

All of our clocks come with a 2 year guarantee, all of our clocks are overhauled and sympathetically restored, all of our clocks are authentic and supplied in good original condition.

Description
A very fine regulator made by the firm of French Royal Exchange, the eight day movement with Harrison’s maintaining power and deadbeat escapement, is beautifully made with turned doric pillars and water of air patterned front and back plates.
The pendulum has a wooden rod that has been gilded, to prevent expansion for precision timekeeping with a brass bound weight.
Chalfont Clocks

The silvered observatory dial is crisply engraved with blued steel hands and numbered 972. The restrained mahogany case is in excellent condition with an arched top that has an access panel at the top.

fig 1. An antique Victorian floor-standing regulator clock in polished dark mahogany with a round silvered dial, glazed door, and mercury pendulum.
fig 1. Regulator by French Royal Exchange

In 1839 John Moore French, his sons John and William French established the firm known as 'The City Observatory' which was located at Cornhill in the City of London. They operated a Standard Time Ball controlled by a telegraph signal from Greenwich and specialized in the making of chronometers. They were in business at 9 Royal Exchange until 1875, examples of their work can be found in the Royal Collections.

The firm of French Royal Exchange were a renowned family of watch and chronometer makers who occasionally made long case clocks the were established in 1810, this clock dates from the 1850’s.

Height
201cm (79.13")
Width
56cm (22.05")
Depth
33cm (12.99")
Date of Manufacture

Chalfont Clocks has dated this Mahogany Regulator Longcase Clock to the 19th Century.

Reference Numbers
Sellingantiques Ref
SA971706
Dealers Internal Ref
039
Chalfont Clocks
Sellingantiques verified Since Nov 2021

Specialists in antique clocks and their restoration.

Dealer Profile

You can view the stock and full dealer information on the Chalfont Clocks Profile Page

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An antique Victorian floor-standing regulator clock in polished dark mahogany with a round silvered dial, glazed door, and mercury pendulum.
1 / 4
Archive I An antique Victorian floor-standing regulator clock in polished dark mahogany with a round silvered dial, glazed door, and mercury pendulum.

Regulator by French Royal Exchange

Archive II An antique Victorian floor-standing regulator clock in polished dark mahogany with a round silvered dial, glazed door, and mercury pendulum. View II
Archive III An antique Victorian floor-standing regulator clock in polished dark mahogany with a round silvered dial, glazed door, and mercury pendulum. View III
Archive IV An antique Victorian floor-standing regulator clock in polished dark mahogany with a round silvered dial, glazed door, and mercury pendulum. View IV
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Telephone 01494 763 793
Location
Chalfont Station Road
Little Chalfont
Buckinghamshire
HP7 9PN
United Kingdom
Verified Since Nov 2021
Items For Sale 61
Items Sold 79
Chalfont Clocks
Verified Since Nov 2021
View Dealer Info
Location: Chalfont Station Road, Little Chalfont, Buckinghamshire, HP7 9PN, United Kingdom
Verified
Nov 2021
For Sale
61
Sold
79
An antique Victorian floor-standing regulator clock in polished dark mahogany with a round silvered dial, glazed door, and mercury pendulum.
Regulator by French Royal Exchange
Ref: SA971706
An antique Victorian floor-standing regulator clock in polished dark mahogany with a round silvered dial, glazed door, and mercury pendulum.
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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 regulator longcase clock is a precision timepiece engineered for extreme accuracy to adjust other timepieces in workshops or observatories. Characterised by separate subsidiary dials for seconds, minutes, and hours, they feature weight-driven movements and temperature-compensated pendulums.

Cabinetmakers typically crafted regulator cases from dense hardwoods such as mahogany or rosewood to minimise movement from environmental fluctuations. Internal components consist of heavy brass movement plates, steel arbors, deadbeat escapements, and specialised pendulums containing mercury or zinc compensation.

Authentic antique regulators feature deadbeat escapements, high-grade movement construction, and silvered dials displaying separate hour, minute, and second registers. Look for clockmaker signatures on the dial face or backplate alongside evidence of traditional hand-knotted gut lines and weighted pendulums.

Position a floor-standing regulator clock in an entrance hall, library, or formal reception room as an architectural focal point. Contrast its rich mahogany timber and structured vertical lines against contemporary neutral walls or saturated, dark paint finishes.

Keep the timepiece in a stable climate away from direct sunlight, radiators, or dampness to prevent timber warping and metal oxidation. Ensure the movement is serviced and oiled by a qualified horologist every five to seven years, and dust the case using a soft cloth and microcrystalline wax.
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