Longcase clock with calendrical, lunar, and tidal indications (The Graves Tompion)

Maker: Thomas Tompion (British, 1639–1713)

Maker: Case attributed to Jasper Braem (active ca. 1677–ca. 1686)

Date: ca. 1677–80

Culture: British, London

Medium: Case: oak veneered with walnut, panels of oyster-cut olive wood; marquetry panels of green-stained bone, ivory, and various woods; gilded-brass mounts; Dial: gilded and silvered brass; Movement: brass and steel

Dimensions: Overall: 77 × 17 × 8 in. (195.6 × 43.2 × 20.3 cm)

Classification: Horology

Credit Line: Bequest of Marilyn Preston Graves, 1999

Accession Number: 1999.48.2

Description

Tompion combined the technical advances made by English clockmakers with his own superb workmanship and ingenious designs to produce timepieces that contributed vastly to the fame of English clockmaking in the second half of the seventeenth century. The dial indicates hours and minutes subdivided into ten-second intervals (on the silvered chapter ring), calendrical information (in various apertures), and the phases, aspects, and age of the moon in its monthly cycle, as well as the times of high tide at London Bridge (on the central revolving disk). The eight-day weight-driven movement, with anchor escapement and long pendulum, strikes in an unusually complicated way: full and half hours are struck respectively on large and small vertically mounted bells, and the first and third quarters, once and twice respectively, as double blows on small, horizontally mounted bells.

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