A REGENCY MAHOGANY SMALL LONCASE REGULATOR The dial inscribed for T. J. Upjohn, London, early 19th century The eight-day six knopped-pillar movement with thick rectangular plates measuring 7 by 5.25 inches and incorporating decorative shaped apron cut-out to lower edge, enclosing four wheel train with Harrisons maintaining power and deadbeat escapement regulated by wood rod pendulum with lenticular bob suspended from the movement backplate, the 9.875 wide by 11.5 inch wide ogee-arch silvered brass dial with subsidiary seconds over Roman numeral hour dials to centre within outer Arabic minute track, with blued steel hands beneath engraved inscription T. J. Upjohn, London to arch, the case with shallow triangular pediment and ebony line-edged frieze over hinged glazed dial aperture set between ebony stop-fluted canted uprights, the sides with applied rectangular panel mouldings, the trunk with concave throat over canted ebony-edged rectangular flame-figured door, on panel-outline fronted plinth base with moulded skirt. 195cm (77ins) high, 41cm (16.125ins) wide, 23cm (9ins) deep. Provenance: The Selwyn Demmy Collection. A T. J. Upjohn is recorded in Britten, F.J. Britten's Old Clocks and Watches and their Makers as working in London circa 1805-10.