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Mystery Clock - England, c. 1900 — view 1 of 1
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Clocks · Mystery clock

Mystery Clock - England, c. 1900

DocumentedDocumented from the holding institution's catalogue record.
Maker / attribution
Unrecorded in source
Date
c. 1900
Country of origin
England
Object type
Mystery clock
Dimensions
10 cm (Length), 5 cm (Width), 14 cm (Height)
Holding institution
Museums Victoria, Melbourne
Accession / object no.
ST 19992
Catalogue title (original)
Mystery Clock - England, circa 1900 (English)

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Record summary

Held and catalogued by Museums Victoria, Melbourne (object number ST 19992), this is a mystery clock, made in England, dated c. 1900. The Atlas places it in the Golden Age of Mechanical Watchmaking period (1900 – 1945) of its Clocks collection. Recorded dimensions: 10 cm (Length), 5 cm (Width), 14 cm (Height). The record is illustrated with 1 photograph.

Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.

Catalogue description

Summary — Museums Victoria

Mystery clock in a rectangular brass case, made in England, circa 1900. The clock is designed to be inserted into a magic lantern or projector so that the hands, dial and an advertisement are projected on the screen. The hands are moved by gear wheels on the outer end of the hands, so that no mechanism is visible in the projection. Also called an advertising clock. Mystery clocks first appeared in Europe in the 19th century. They are named as such due to their mechanism not being clearly visible, the clock or watchface, often being transparent. The secret to the mystery clock is due to a fine craftsperson cleverly concealing the mechanism within the frame or border of the timepiece. There are also examples where a clear mechanism is used in the clockface which at first is not easily detected.

Physical description — Museums Victoria

Rectangular brass case. Glass dial has ornate black arabic numerals. Outer ends of hands are attached to gear wheels that rotate. Spring wound; lever escapement.

Inscriptions & marks

Brass case marked '163' on back.

Provenance

Loan & Subsequent Bequest from Mr John Askew, 29 Jul 1936

Historical context

Golden Age of Mechanical Watchmaking (1900 – 1945)

The wristwatch displaces the pocket watch; waterproof cases, self-winding and grand complications.

Between 1900 and 1945 clocks were electrified: master-clock systems ran factories and offices, synchronous mains clocks entered homes, and the Shortt free-pendulum clock set new standards of accuracy before the first quartz clocks (1927). Art Deco design reshaped mantel and table clocks.

Read the period in the timelineMore clocks from this periodEarlier: Industrial Revolution

Atlas type guide

Domestic clocks

A clock combines four systems: a source of power (falling weight, coiled spring, or later electricity), a gear train that divides time, an escapement and oscillator that regulate it (foliot, pendulum or balance), and an indicating system of dial and hands or a bell. Its history runs from the large iron weight-driven clocks of the late thirteenth century to Renaissance spring-driven table clocks, the pendulum revolution of 1656, the factory clocks of the nineteenth century and electric and quartz clocks of the twentieth.

Domestic clocks also reflect regional furniture and decorative traditions — English longcase and bracket clocks, French pendules, Viennese regulators, Black Forest and American shelf clocks — and therefore record changing tastes as much as technical progress.

What to look for

  • How the clock is powered: weights, spring barrel, fusee, electric coil.
  • The oscillator: foliot, short pendulum, long seconds pendulum or balance.
  • Whether it strikes: hour only (count wheel) or hours and quarters (rack striking).
  • The maker or retailer's name on dial and movement, and any factory trademarks.
  • Signs of alteration — replaced dials, converted escapements, 'married' cases.

Dating clues

  • Before 1656 clocks used foliots or balances; after, most domestic clocks have pendulums.
  • Anchor escapements spread after c. 1670; minute hands became common at the same time.
  • Factory production in America and Germany transformed prices after c. 1840.

General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.

Read next:Verge escapementAnchor (recoil) escapementFoliot

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