A Phase III Ebony Striking Spring Table Clock With Pull-Quarter Repeat
Case: Typical Knibb Phase III case, ebony veneered on oak, the dome top with foliate mounts and surmounted by a gilt-brass foliate-tied handle, the flat-top main moulding set above a square door with inset wood fret on the top rail and S-scroll and mask escutcheons, glazed rectangular side apertures, the base moulding typically sitting on an oak board with ebony veneered edges.
Dial: The 6 inch square gilt-brass dial with latched feet, winged-cherub spandrels and the centre matted, chapter-ring engraved with Roman hours with trident half-hour marks and Arabic numerals within the minute ring. Strike/Not Strike lever at XII.
Duration: 8 days.
Movement: Fine twin-fusee movement, 5 by 7 inch plates, five latched vase-shaped pillars, going train with knife-edge verge escapement and short bob pendulum. Strike train governed by rack-and-snail striking the hours on the larger bell, the quarters repeated on the smaller bell. The all-over tulip engraved backplate within a line border signed in an arc Joseph Knibb Londini fecit.
Escapement: Knife-edge verge.
Strike Type: Hour rack strike and pull-quarter repeat.
Provenance: Christie's, London, 12 April 1988, lot 46.
Part of the Tom Scott Collection.