John R. Arnold, London, Invenit et Fecit No. 210, made circa 1810. Fine small one day going marine chronometer.

C. Later three body brass bound mahogany box with external brass handles, glazed upper section with hinged lid. Brass bowl and gimballed suspension, the bezel with domed glass. D. White enamel with Roman numerals and subsidiary seconds. Blued steel "spade" hands. M. Snailed brass full plate, relieved for the barrel, with cylindrical pillars, fusee with chain and maintaining power, Arnold spring detent escapement, "OZ" balance, ruby end-stone, free sprung blued steel helical balance spring with terminal curve. Signed on the dial and movement. In very good condition. Dial diam. 76 mm. Dim. 16.5 x 15.5 x 15.5 cm.

John R. Arnold, London, Invenit et Fecit No. 250, made in the 1820's. Fine small one day going marine chronometer.

C. Two body mahogany box with external brass handles, upper section with fall-down slide. Brass bowl and gimballed suspension, the bezel with domed glass. D. Silvered with Roman numerals and subsidiary seconds. Blued steel "spade" bands. M. Brass full plate, relieved for the barrel, with cylindrical pillars, fusee with chair and maintaining power, Arnold spring detent escapement, "Z" balance, diamond end-stone, free sprung blued steel helical balance spring. Signed on the dial and movement. In very good condition. Dial diam. 78 mm. Dim. 18 x 17 x 17 cm.

Arnold & Dent, 84 Strand, London, No. 1035, made circa 1839. Fine small two day marine chronometer with power reserve indication.

C.Three body mahogany box with external brass handles, glazed upper section with hinged lid. Brass bowl and gimballed suspension, the bezel with domed glass. D. Silvered with Roman numerals, subsidiary seconds and up-and-down scale. Blued steel "pear" bands. M. Brass full plate, relieved for the barrel, with cylindrical pillars, fusee with chais and maintaining power, Earnshaw type spring detent escapement, later two-arm bimetallic compensation balance, diamond end-store, free sprung blued steel helical balance spring with terminal curves. Signed on the dial. In very good condition. Dial diam. 88 mm. Dim. 15 x 14 x 14 cm.

John Roger Arnold, London, No. 108, with London hallmarks for 1824. Rare and fine 18 ct. gold, early keyless ruby cylinder watch with unusual temperature compensation.

C. Double body, massive, Empire with engine-turned band and polished back, marked "T.H." (Thomas Hardy II). D. Matt gold with Blue translucent enamel Roman numerals. Gold "pear" hands. M . Hinged gilt brass full plate with cylindrical pillars, free standing barrel passing through the back plate, ruby cylinder escapement, plain polished steel three-arm balance, flat balance spring with unusual bimetallic compensation curb on the index. Early Prest keyless winding system, patented in 1820. Signed on the dial and back plate. In very good condition. Diam. 53 mm.

J.R. Arnold, Chas. Frodsham, London, No. 7198, with London hallmarks for 1851. Very rare 18 ct. gold, early keyless watch in original fitted box.

C. Double body, massive, "bassine et filets" with reeded band, marked "F.M." (Frederick Samuel Matthews). D. White enamel with Roman numerals and sunk subsidiary seconds. Blued steel "spade" hands. M. Hinged frosted and gilt threequarter plate with going barrel, pointed tooth lateral lever escapement, cut bimetallic balance, blued steel balance spring with terminal curve. Prest's keyless winding. Signed on the dial and movement. In good condition. Diam. 45 mm.

Brockbank, London, No. 2343, with London hallmarks for 1785. Fine and rare 22 ct. gold pair cased, centre seconds stop-watch with ruby cylinder escapement.

C. Outer, double body polished, marked "J.C" beneath an axe. Inner double body bassine, polished with the same Master and hallmarks. D. White enamel with Roman numerals and outer Arabic minute and seconds ring. Gold "poker and beetle" hands and counterpoised centre seconds. M. Hinged gilt brass full plate with cylindrical pillars, the back plate partly covered with a decorative engraved fret, the decoration matching that of the cock's foot, fusee with chann, early ruby cylinder escapement with steel escape wheel, plain steel three-arm balance with large diamond endstone, flat balance spring, gilt brass cock pierced and engraved with scrolling foliage a helmet and the profile of a Roman Emperor. Stop-watch lever in the dial-plate. Gilt brass dust-cap. Signed on the dial, dust cap and back plate. In very good condition. Diam. 56 mm.

Brockbank, London, No. 3791, with London hallmarks for 1825. Fine and rare 18 ct. gold pocket chronometer with special escapement.

C.Three body, Empire, engine-turned with fixed bezel, marked "VN.W." (William Wright). Small monogram on the back and name of the owner engraved on the cuvette. D. Egg-shell enamel with Roman nummerals and subsidiary seconds. Blued steel Breguet hands. M. Hinged e t brass full plate with cylindrical pillars, fusee with chant and maintaining power, Petto crossdetent escapement, three-arm compensation balance with trapezoidal weights and timing screws, free spmng blued steel flat balance spring, gilt brass cock engraved with foliage and symbols, diamond endstone. Signed on the back plate. In very good condition. Diam. 51 mm.

Gray & Constable, London, circa 1790. Extremely rare and fine, large steel, silver and gold, oval pair cased watch with matching chatelaine and key.

C. Outer, double body silver, plain with gold bezels and band, the back engraved with the monogram : " A.C.". Inner, double body, gold mounted, fully paved with cut-steel work decoration. Matching chatelaine and key. D. Oval white enamel with Breguet numerals and star minute divisions. Gold spade hands. M. Circular with hinged gilt brass cuvette, Lepine calibre with free standing barrel, cylinder escapement, plain brass three-arm balance, flat balance spring. Signed on the dial. In very good condition. Dim. 77 x 66 mm.

William Anthony, London, No. 1705, made for the Chinese Market, circa 1795. Magnificent and extremely rare 18 ct. gold and enamel, eight day going, pearl, diamond and rubyset oval watch with extending hands and " diablotine".

C. Double body, with split-pearl set bezel and pendant, the back of blue translucent enamel over engine-turning, with split pearl-set border, the very fine applied diamond and pearl set decoration centred with a large navette shaped ruby. Hinged gilt brass cuvette. D. White enamel with Roman numerals, subsidiary seconds and 1 /4 seconds " foudroyante". Gold articulated extending bands following the pour and minute oval rings. M. Fine shaped gilt brass, fully chased with scrolling foliage decoration, five wheel train, eight day going, Chinese calibre drawn from that of Lepine with free standing barrel, cylinder escapement, plain flat three- arm polished steel balance with flat balance spring and diamond end-stone. Signed on the dial and cuvette. In very good condition. Dim. 95 x 57 mm.

William Anthony, London, No. 1568, made for the Chinese Market, circa 1795. Magnificent and rare 18 ct. gold and enamel, pearl and diamond-set centre seconds watch with special escapement.

C. Double body, with split-pearl set bezel and pendant, the back of blue translucent enamel over engine-tuming, with split pearl-set border, the very fine applied diamond and pearl set decoration centred with a large rose-cut diamond. Hinged gilt brass cuvette. D. White enamel with Roman numerals and outer minute and seconds ring. Gold arrow bands. M. Gilt brass, fully chased with scrolling foliage decoration, Chinese calibre drawn from that of Lepine with free standing barrel, duplex escapement, plain flat five-arm polished steel balance with flat balance spring and diamond end-stone. Signed on the dial and cuvette. In very good condition. Diam. 66 mm.

William Anthony, London, No. 1561, made for the Chinese Market, circa 1795. Magnificent and rare 18 ct. gold and enamel, pearlset centre seconds watch with special escapement.

C. Double body, with split-pearl set bezel and pendant, the back of blue translucent enamel over engin-turning, with split pearl-set border, the very fine applied pearl set decoration in a star pattern centred by a large pearl. Hinged gilt brass cuvette. D. White enamel with Roman numerals and outer minute and seconds ring. Gold arrow hands. M. Gilt brass, fully chased with scrolling foliage decoration, Chinese calibre drawn from that of Lepine with free standing baud, duplex escapement, plain flat fivearm polished steel balance with flat balance spring and diamond endstone. Signed on the dial and cuvette. In very good condition. Diam. 66 mm.

Francis Perigal, Royal Exchange, London, No. 20220, with London hallmarks for 1792. Very rare and fine, early silver pair cased pocket chronometer.

C. Double body, outer and inter, both polished, marked "WQ" (Willian Quinton). D. White enamel with Roman numerals and subsidiary seconds. Gold "heart" bands. M. Hinged gilt brass full plate with cylindrical pillars, fusee with chair and maintaining power, Arnold spring detent escapement with "Z" type compensation balance with poising weights and timing screws, free sprung blued steel helical spring with terminal curves, diamond endstone. Signed on the dial and back plate. In very good condition. Diam. 60 mm.

An Act for granting to His Majesty certain Duties on Clocks and Watches, 19 July 1797. Sm. fol disbound, pp 14.

Howells and Pennington for Thomas Mudge No. 3, 1795. Fine and very rare marine timepiece, built on the pattern of Thomas Mudge Senr, converted to serve as a small braclcet dock.

C. Arched rectangular with glazed back door, arch and sicle panels, ebony veneered oak, brass moulded feet, brass beading to the windows and to a recessed panel in the base. Chronometer type twist off-glass with brass bezel. Inside the case is the printed label of "Jrunp & Sons 93 Mount Street London, W1". D. Two white enamel for hours and minutes, and separate seconds, Arabic numerals; symmetrical silver scrolled foliate decoration to swags applied to a gilt brass ground around the dials; blued steel "beetle and poker" bands. M. Full plate, four turned pillars, fusee with chair, Arnold type spring-dotent escapement with Pennineon's double bimetallic compensated balance replacing Thomas Mudge 's spring pallet constant-force escapement. Signed on the back plate. Inn very good condition. Dim. 22.5 x 15 x 10 cm.

Barraud London, end 18th Century. Fine and elegant long-case regulator with 24-hour dial.

C. Arched top, three stage, beech , oak and veneer, plain banded plinth, glazed door to trunk, arched hood with fluted chamfered corners, moulded arch, side windows. D. Full plate silvered with applied chapter ring for the hours and seconds, Roman numerals for the 24 hours, Arabic seconds, subsidiary minute dial in upper centre; blued steel hands. M. Rectangular plated, plain turned pillars, dead-beat anchor escapement, steel anchor arm with jewelled pallets, four-arm escape wheel, grooved barrel, gut lire, cylindrical brass cased weight. Adjustable nine-rod grid-iron compensated pendulum with double pivot suspension in an inverted V-frame outside the }Jack plate; lenticular penduhun weight with bottom adjustment knob, silvered amplitude scale. Signed on the dial. h1 excellent condition. Dim. 198 x 41 x 22 cm.

Barraud, Cornhill, London, No. 2981, made for the Chinese Market, circa 1800. Fine gold and enamel slim pearl set-watch.

C. Three body, Directoire, with split pearl-set bezels, the pendant with white and blue champlevé enamelled decoration in a strip pattern, back panel of blue translucent enamel over engine-turning. D. White enamel with Roman hour numerals ( slightly restored on the border). Gold "heart" hands with counterpoised seconds. M. Gilt brass full plate with turned pillars, going barrel, cylinder escapement, plain steel four-arm balance, flat spring and regulator, the pierced cock built within the decorative gilt brass fret, engraved with flowers and foliage, covering the back plate. Signed on the back plate. In very good condition. Diam. 59 mm.

Barraud, Cornhill, London No. 9103, made for the Chinese Market, circa 1810. Very fine 18 ct. gold and enamel pearl-set watch.

C. Three body, Empire, with fixed cuvette, reeded band, split pearl-set bezels pendant and bow, the back panel finely painted with a bouquet of Summer flowers against a scarlet translucent enamel over engine-turning, outer pale green champlevé enamelled decoration. D. White enamel with Roman numerals and subsidiary seconds. Gold "pear" bands. M. Hinged gilt brass full plate with cylindrical pillars, going barrel, cylinder escapement, plain brass three-arm balance, flat balance spring with regulator, gilt brass cock pierced and engraved with scrolled foliage, ruby endstone. Gilt brass dust-cap, finely engraved with scrolled foliage. Signed on the back plate. In very good condition. Diam. 62 mm.

Barraud, Cornhill, London, No. 2/932, circa 1830. Fine two day marine chronometer with power reserve indication, in original travelling box.

C. Three body mahogany box with brass drop handles, glazed upper section with hinged lid. Brass bowl and gimballed suspension, the bezel with domed glass. D. Silvered with Roman numerals, subsidiary seconds and up-and-down aperture. Blued steel " pear " hands. M. Spotted brass full plate, relieved for the barrel, with cylindrical pillars, fusee with chair and maintaining power, Earnshaw type sprung detent escapement and Earnshaw compensation balance, diamond end-stone, free sprung blued steel helical balance spring with terminal curves. Signed on the dial. In very good condition. Dial diam. 98 min. Dim. 17x16x16 cm.

Barraud & Lunds (41 Cornhill, London), unnumbered, late 1860s. Good, small wooden case eight day going mantel clock striking hours on a bell. Platform lever escapement.

C. Rosewood veneered, glassed three sides and top, rear door with decorative wooden fret over red silk, original door key, dentil moulding above dial. D. Gilt and engraved brass within silvered, bevelled frame. Roman chapters, blued steel °halberd" bands. M. Brass rectangular, fusees and chains to both trains, maintaining power on going side, platform lever escapement, single coller, pointedtooth wheel, plain steel balance, flat balance spring, ruby endstone to balance cock. In good condition. Signed on the dial. Dim. 20.5 x 14.5 x 11.25 cm.

Barraud & Lunds, 41 Cornhill, London, No. 3/1075, with London hallmarks for 1872. Large and unusual silver keyless double-inking chronograph.

C. Three piece, massive, "pommes et filets", polished, marked "P.W." (Philip Woodman). D. White enamel with small eccentric Roman hour register, outer minute register and subsidiary seconds. Blued steel "moderne" hand for hours and special inking chronograph arrow hands for both minute and seconds registers. M. 32"', threequarter plate, spotted, with going barrel, pointed tooth lateral lever escapement, cut bimetallic balance, flat balance spring with regulator. Inking chronograph device based on the principle invented in France by Rieussec in 1821 and improved by Fatton for Breguet in 1823, but here operating both the seconds and the minute bands simultaneously. Signed on the dial and the back plate. hl very good condition. Diam. 85 mm.