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Portuguese longcase clock, D. José / D. Maria period — view 1 of 2
View 1 of 2 · Image: Mater Fine Art / Invaluable · original image source (opens another website in a new tab)

Clocks · Clock

Portuguese longcase clock, D. José / D. Maria period

DocumentedDocumented from an auction catalogue; attribution as stated by the auction house.
Maker / attribution
Unrecorded in source
Date
18th century
Historical period
Early Modern Horology (1600 – 1750)
Country of origin
Unrecorded in source
Object type
Clock
Materials / technique
rosewood, gilt
Auction house
Invaluable auction listings
Lot
Lot E49B13B372
Credit line
Auction lot record: lot 274, Fine Art | Session 2, Mater Fine Art (2026), via Invaluable
Catalogue title (original)
D. José (1750–1777) / D. Maria (1777–1816) Longcase Clock (English)

Editor's note

Title rewritten in English from the auction house's own lot title (Dutch, German or run into the description); facts unchanged.

View the source record (auction lot) ↗ (opens another website in a new tab)Suggest a correction

Record summary

Catalogued by Invaluable auction listings (lot Lot E49B13B372), this is a clock, dated 18th century. The Atlas places it in the Early Modern Horology period (1600 – 1750) of its Clocks collection. Materials and techniques recorded by the source: rosewood, gilt. 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

Lot description — Mater Fine Art

In rosewood and other woods. Dial with Roman numerals, in gilt metal with raised and chased decoration depicting scrollwork and cherub heads, and marked "JOZE PACHECO OZÓRIO O FES EM SAM MIGUEL". Portugal, 18th century. (signs of use, losses, defects and mechanism not tested)

Historical context

Early Modern Horology (1600 – 1750)

Huygens' pendulum and balance spring transform accuracy; English makers develop the anchor and deadbeat escapements.

Huygens's pendulum (1656–57) improved clock accuracy from about a quarter of an hour to under a minute a day. The anchor escapement (c. 1670) and the long seconds pendulum created the longcase clock; London makers such as Fromanteel, Knibb, Tompion and Quare led European clockmaking, and French makers created the Boulle pendule.

Read the period in the timelineMore clocks from this periodEarlier: Renaissance Horology

Atlas type guide

Longcase (tall-case or grandfather) clocks

The longcase clock was born from two seventeenth-century innovations: Christiaan Huygens's pendulum (1656–57) and the anchor escapement (c. 1670). A long seconds pendulum, nearly a metre long, swings with a small arc, and enclosing it together with the driving weights in a tall wooden case protected the mechanism and created a new piece of furniture. London makers such as Ahasuerus Fromanteel, Thomas Tompion and Joseph Knibb set the pattern.

By the eighteenth century longcase clocks were made throughout Britain, the Netherlands, Scandinavia (the Swedish Mora clock), France (the Comtoise from the Franche-Comté), Germany and colonial America. Eight-day movements with two weights became standard in better clocks; thirty-hour clocks with one weight and a rope or chain were cheaper alternatives.

What to look for

  • Winding holes in the dial: two (eight-day, going and striking) or none (thirty-hour, pulled up by a chain).
  • Brass dials with applied chapter rings (earlier) versus painted iron 'white' dials (after c. 1770 in Britain).
  • Moon-phase arches, date apertures, seconds dials and maker's name on the dial.
  • Case woods and style: ebonised, walnut marquetry, lacquer, oak or mahogany; regional styles from London, Lancashire, Scotland or America.
  • Whether the movement and dial match the case — 'marriages' are common.

Dating clues

  • Square brass dials suggest c. 1670–1720; arched brass dials c. 1715–1790.
  • Painted (white) dials were made by Birmingham dial-makers from about 1772.
  • Comtoise clocks with repoussé pendulums are mostly nineteenth century.

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:Anchor (recoil) escapementDeadbeat escapementAnchor escapement

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