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A selection of the stock showing the range and quality of the pieces we can offer. This is only a selection of our stock. If you have a specific need, please contact us. If we do not have anything at present we would be happy to search for you. Please contact us for prices. 30 hour longcase by a renowned Quaker maker. John Ogden Darlington. A simple but impressive early pine case with the original chocholate brown finish. The dial also displays the restraint of a practicing Quaker, carefully executed radial matting in the centre and the absence of spandrels. Circa 1715. 17th century London 30 hour Thomas Johnson Rattcliff Cross A London made pine case with the proportions and elegance of the capital. The case is in wonderful condition, the original guilding still evident on the columns. Showing signs of a previous finish, the case has at an early date, been scumbled in order to produce faux bois. Thomas Johnson was a fine maker at times working outside the constraints of the City. Lancashire longcase Circa 1785. Monks, Preston. A fine example of Lancastrian clockwork and cabinetmaking.Solid mahogany with flame veneer on the door and base, decorated with beautifully executed scroll pediment and fluted columns. The dial also betrays favoured features of the region, centre date, moonroller and a thought provoking aphorism; God appointed the moon for seasons. Scottish wall clock. Circa 1800. W. Kellham, Egremont. Weight driven eight day wall clock. Cuban mahogany flame veneer on the door and base whilst radially applied to the edges of the hood and base. Painted dial with the original background. Height 56". A local clock made by Sevenoaks maker John Payne A good quality eight day movement with a finely engraved sheet silver dial with strike silent hand in the break arch. The case is typically Kentish in design as is the colour and straight grain of the oak. Circa 1780. Fruit wood case clock. Johnson, Grays Inn Passage A nicely proportioned bracket clock signed Johnson, Grays Inn on the painted dial. Eight day movement with original verge escapement. Strike silent and pull repeat. The fruit wood case is ebonised and now has an attractive soft colour and good patination. 7" convex dial. 13£ high. Circa 1790. Lantern clock John Millar Third period lantern clock signed John Miller, London. Circa 1680. John Millar has the distinction of being apprenticed to both Samuel and Joseph Knibb. The movement has its original verge escapement, strikes on the hour and has a complete alarm. The clock is 13 1/2" to the top of the finial. The dial 6 1/4" diameter. This pretty clock has good proportions, a pleasing colour and fine patination. It can be hung on the wall either by the original hoop and spurs or stood upon an oak bracket, both of which allow the rope, weight and counterweight to hang below. Longcase clock Richard Haughtin Month duration marquetry longcase signed Richard Haughtin London. 11" dial in floral marquetry and walnut case. Circa 1695. French decorative clock Fort A Paris A typical example of a good French decorative clock. The castings on this portico clock are beautifully chased and finished. The case also retains its original mercury gilding which is burnished on the highlights giving the clock a very attractive variation of soft colour. Fine quality movement signed Fort A Paris. Empire style, Circa 1820. Eight Day Dial Clock J Bramble Oxford Street Weight driven eight day dial clock signed J Bramble Oxford Street. Circa 1800. 14" convex painted dial with brass counter-balanced hands. Cast brass bezel carrying a convex glass, mounted on a slim mahogany surround. The attractive mahogany case is decorated with flame veneers on the door and chisle shaped bottom. Height 38". Eight Day Scottish Longcase William Robb, Montrose Eight day Scottish longcase signed William Robb, Montrose. Circa 1780. Beautiful mahogany case of superb colour and proportions with tulip wood cross-habanding and satin wood inlay. Engraved brass dial with moon dial, seconds and date ring. Height 81". Seaweed Marquetry Simon DeChaumes, London Seaweed marquetry signed Simon DeChaumes, London. Circa 1700. Simon DeChaumes was one of a number of Hugeneuot craftsmen, whose talent boosted the standard of English clockmaking. He was made free of the clockmakers company in April 1691 and is recorded as working in London until at least 1704 at "his house, the sign of the clock, the corner of Warwick Street, Charing Cross". Height 86". Mahogany Mercury Barometer Signed, A. Peduzzi, 51 Spear Street, Manchester Circa 1790 Fine four dial barometer. Main dial 10". The quality of these earlier "Banjo" shaped is not always perceptable but close inspection reveals the finer engraving, superior cast bezels and quiet elegance. When held the surprising weight belies the merit of the materials used. Fine quality Sheraton Barometer Signed, Corti and Son Holborn Hill London. Finely engraved dial, original silvering. A good sign of quality is the cross banded veneer on the side. Circa 1790. Dial of longcase clock Stephen Bridges Dial of wonderfully original thirty hour longcase clock. The iron framed movement is outstanding as is the single brass hand. Although unsigned the pewter chapter ring has the touch mark of Stephen Bridges London (Cotterell No 572). Sundial Gray Fecit Sundial signed Gray Fecit 1706. Latitude 51 15. Good colour with original gnomon. Clocks and Watches, devices used to measure or indicate the passage of time. A clock, which is larger than a watch, is usually intended to be kept in one place; a watch is designed to be carried or worn. Both types of timepieces require a source of power and a means of transmitting and controlling it, as well as indicators to register the lapse of time units. In a clock, the source of power may be produced by weight, a mainspring, or an electric current . Except in electric or electronic clocks, periodic adjustments, such as lifting the weight or tightening the spring, are needed. The motive force generated by the power source in a mechanical clock is transmitted by a gear train and regulated by a pendulum or a balance wheel. In such a clock, the time may be reported audibly by the striking of a gong or chime and is registered visually by the rotation of wheels bearing numerals or by the position of hands on a dial. In electric or electronic clocks, time may be shown by a display of numbers. A mechanical watch uses a coiled spring as its power source. As in spring-powered clocks, the watch conserves energy by means of a gear train, with a balance wheel regulating the motive force. In self-winding watches, the mainspring is tightened automatically by means of a weight on a rotor that responds to the arm movements of the wearer. In the electric clocks used in homes today, a small motor runs in unison with the power-station generator, which is regulated to deliver an alternating current of precisely 60 cycles per second. Electric currents may also be used to keep the movements of several “slave” clocks synchronized with the pendulum in a master clock. The quartz-crystal clock developed in 1929 for precision timekeeping employs a ring of quartz that is connected to an electrical circuit and made to oscillate between 10,000 and 100,000 hertz (cycles per second). The high-frequency oscillation is converted to an alternating current, reduced to a frequency more convenient for time measurement, and thus made to drive the motor of a synchronous clock or a digital display. The maximum error of the most accurate quartz-crystal clocks is plus or minus one second in ten years. The electric or electronic watch is powered by a small battery that functions for about one year without replacement. The battery may drive the balance wheel of an otherwise mechanical clock, or it may be used to drive the oscillations of either a small tuning fork or a quartz crystal. Carefully constructed mechanical timepieces known as chronometers are precision devices used by navigators in the determination of their longitude at sea and by astronomers and jewelers for calibrating measuring devices. The first successful chronometer was constructed in 1761 by English horologist John Harrison. These portable instruments are mounted on a box on gimbals so as to maintain the delicate movements in a level position. The modern wrist chronometer is a precision watch regulated in different positions and at various temperatures and certified by testing bureaus in Switzerland. Another precision timekeeper is the chronograph, which not only provides accurate time but also registers elapsed time in fractions of a second. Various forms of chronographs exist, including the telemeter, which measures the distance of an object from the observer; the tachometer, which measures speed of rotation; the pulsometer, which determines pulse rate; and the production counter, which indicates the number of products made in a given time. The timer, or stopwatch, a form of chronograph used in athletic contests, shows elapsed time without providing the time of day. The most precise timekeeping devices are atomic clocks. Their uses include measuring the rotation of the earth, which may vary by 4 to 5 milliseconds per day, and aiding navigational systems such as the global positioning system in computing distances. Atomic clocks are tuned to the frequency of the electromagnetic waves that are emitted or absorbed when certain atoms or molecules make the transition between two closely spaced, or hyperfine, energy states. Because the frequency of these waves is unaffected by external forces, the corresponding period of the waves can be used as a standard to define time intervals. The cesium-atom clock is used to define the second, the basic unit of time of the International System of Units. In this clock, cesium-133 atoms in one hyperfine energy state are subjected to microwave radiation that is near the resonant frequency of the transition to another hyperfine energy state. The microwave frequency is adjusted, and when the correct frequency is reached, many atoms make the transition to the new energy state. The frequency of the microwave radiation is then used to determine the period of the microwave, or the time interval between wave crests. The second is defined as the duration of 9,192,631,770 periods of radiation.
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