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A Eureka Four Glass Electric Mantel Clock
Sold by Chalfont Clocks
sold SA1005478
Sorry, but this item has been sold.

Chalfont Clocks

Sellingantiques Verified Since Nov 2021
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    Specialists in antique clocks and their restoration.
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Id #SA1005478
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A Eureka Four Glass Electric Mantel Clock

1900 - 1920
Sold 13 February 2026 · Chalfont Clocks
This “Eureka Four Glass Electric Mantel Clock” found a buyer.

It was listed by Chalfont Clocks. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.

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Antique Electric ClockAntique Mantel ClocksBrass Four Glass Clock Ask the dealer for something similar
Description

A superb example of a Eureka Clock made c1912.

The electromagnetic movement is regulated by a large, slowly oscillating bi-metallic balance wheel, with the correct battery these clock will run for the duration of the battery life. Housed in a brass four glass case with doors to the front and back, the movement is visible from all sides so the oscillation can be seen. The movement is numbered 8348 and stamped with the patent no 14614/1906 Made in England

The Eureka clock was invented by Timothy Bernard Powers in New York shortly after 1900, and the Patent granted in 1906. It is thought that by the Eureka Clock Company, London made around 10,000 clocks between 1908 and 1914. This short period of production means that this type of clock is a rare survivor.

The large visible balance wheel oscillates through a 270°s (see video) with a smooth mesmeric action that is delight to watch this and its rarity make this clock a favourite with collectors.

This clock is overhauled and comes with our 2 year guarantee.

32.5cm H x 19.5cm W x 15 cm D

Physical Dimensions
Height
32.5cm (12.80")
Width
19.5cm (7.68")
Depth
15cm (5.91")
Declaration

Chalfont Clocks has dated this Eureka Electric Mantel Clock to the Edwardian era.

Reference Numbers
Sellingantiques Reference
SA1005478
Dealers Internal Reference
153
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 superb example of a Eureka Clock made c1912.
“
The electromagnetic movement is regulated by a large, slowly oscillating bi-metallic balance wheel, with the correct battery these clock will run for the duration of the battery life.
Chalfont Clocks

Housed in a brass four glass case with doors to the front and back, the movement is visible from all sides so the oscillation can be seen. The movement is numbered 8348 and stamped with the patent no 14614/1906 Made in England

fig 1. An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement.
fig 1. A Eureka Four Glass Electric Mantel Clock

The Eureka clock was invented by Timothy Bernard Powers in New York shortly after 1900, and the Patent granted in 1906. It is thought that by the Eureka Clock Company, London made around 10,000 clocks between 1908 and 1914. This short period of production means that this type of clock is a rare survivor.

fig 2. An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement.
fig 2. A Eureka Four Glass Electric Mantel Clock

The large visible balance wheel oscillates through a 270°s (see video) with a smooth mesmeric action that is delight to watch this and its rarity make this clock a favourite with collectors.

This clock is overhauled and comes with our 2 year guarantee.

32.5cm H x 19.5cm W x 15 cm D

Height
32.5cm (12.80")
Width
19.5cm (7.68")
Depth
15cm (5.91")
Date of Manufacture

Chalfont Clocks has dated this Eureka Electric Mantel Clock to the Edwardian era.

Reference Numbers
Sellingantiques Ref
SA1005478
Dealers Internal Ref
153
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 upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement. SOLD6+ MONTHS AGO
1 / 10
Archive I An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement. SOLD6+ MONTHS AGO

A Eureka Four Glass Electric Mantel Clock

Archive II An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement. View II
Archive III An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement. View III
Archive IV Scale Reference for An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement.
Archive V An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement. View V
Archive VI An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement. View VI
Archive VII An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement. View VII
Archive VIII An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement. View VIII
Archive IX An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement. View IX
Archive X An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement. View X
Enlarged Archival View

Chalfont Clocks
Telephone 01494 763 793
Location
Chalfont Station Road
Little Chalfont
Buckinghamshire
HP7 9PN
United Kingdom
Dealer Profile Page sellingantiques.co.uk/chalfontclocks
Verified Since Nov 2021
Items For Sale 60
Items Sold 82
Chalfont Clocks
Verified Since Nov 2021
View Dealer Info
Location: Chalfont Station Road, Little Chalfont, Buckinghamshire, HP7 9PN, United Kingdom
Profile: sellingantiques.co.uk/chalfontclocks
Verified
Nov 2021
For Sale
60
Sold
82
An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement.
A Eureka Four Glass Electric Mantel Clock
Ref: SA1005478
An upright rectangular brass four-glass electric mantel clock featuring a white enamel dial with Roman numerals and a visible mechanical movement.
Detail View 1
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Detail View 3
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Detail View 7
Detail View 8
Scale Reference
Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectMantel Clocks
  • Period1900 - 1920
  • StyleEdwardian
  • MaterialBrass, Glass
  • ColourGold
  • MotifsBevelled glass panels, Exposed mechanical movement, Enamelled dial, Roman numerals
  • SizeH 32.5 cm (13 in) x W 19.5 cm (8 in) x D 15 cm (6 in)

FAQs

A four-glass clock is a type of mantel clock housed in a brass and glass case with bevelled glass panels on all four sides, allowing a clear view of the clock movement from multiple angles, popularised during the late Victorian and Edwardian periods.

These clocks typically feature heavy cast brass or gilded brass frames combined with thick plate glass panels, enamelled dials with Roman numerals, and intricate brass mechanical or electromechanical movements.

Authentic pieces feature period-correct patent markings, maker signatures on the dial or backplate, original mercury or balance wheel assemblies, and traditional hand-cut brass gears rather than modern replacement components.

Place the clock on a flat surface such as a mantelpiece, sideboard, or desk where light can pass through the glass panels, pairing it with minimalist surroundings to highlight its intricate internal mechanics.

Keep the clock out of direct sunlight and away from damp environments, clean the exterior brass gently with a soft microfibre cloth without abrasive polishes, and have the movement professionally serviced every few years.
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