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Sundial, 1782 — view 1 of 2
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Movements & Components · Sundial

Sundial, 1782

DocumentedDocumented from the holding institution's catalogue record.
Maker / attribution
Unrecorded in source
Date
1782
Country of origin
Unrecorded in source
Object type
Sundial
Materials / technique
marmer
Dimensions
hoogte: 55 cm breedte: 45 cm
Accession / object no.
[KIK-IRPA n° 91912] AP_10090828
Credit line
Royal Institute for Cultural Heritage
Catalogue title (original)
zonnewijzer (Dutch)

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Record summary

Held and catalogued by Royal Institute for Cultural Heritage (object number [KIK-IRPA n° 91912] AP_10090828), this is a sundial, dated 1782. The Atlas places it in the Precision & Scientific Horology period (1750 – 1850) of its Movements & Components collection. Materials and techniques recorded by the source: marmer. Recorded dimensions: hoogte: 55 cm breedte: 45 cm. The record is illustrated with 2 photographs.

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

The source record does not include a narrative description. The structured fields above are reproduced from it.

Historical context

Precision & Scientific Horology (1750 – 1850)

Harrison solves longitude; Mudge invents the lever; Breguet's Paris workshop defines the modern watch.

The age of escapement invention: cylinder, duplex, lever, detent and many experimental escapements; compensation balances and fine finishing.

Read the period in the timelineMore movements & components from this periodEarlier: Early Modern Horology

Atlas type guide

Dials and hands

Dials record both fashion and technology. Early watches had engraved metal dials; champlevé dials with raised numerals dominated around 1680–1730, followed by white vitreous enamel, guilloché gold and silver dials, and printed metal dials in the twentieth century. Luminous paints — radium from c. 1910, tritium from c. 1960 and non-radioactive pigments from the late 1990s — answered the need for legibility in the dark.

Because dials are visible and easily damaged, they were often restored or replaced. Distinguishing original dials from 'redials', and original hands from later replacements, is one of the main tasks of identification and authentication.

What to look for

  • Enamel hairlines, chips and the quality of painted numerals.
  • Signatures and Swiss-made markings ('Swiss', 'Swiss Made', 'T Swiss T') at the bottom edge.
  • Lume colour and condition, which should match between hands and dial.
  • Dial feet and their positions on the reverse, which must match the movement.

Dating clues

  • Champlevé metal dials: c. 1680–1730.
  • 'Swiss Made' dial markings became usual after the 1950s; 'T Swiss T' indicates tritium (c. 1960–1998).

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.

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