Massey's Detached Lever Escapements, England, 1812-1830. Most interesting collection of two 18 ct. gold watches and two movements, representative of the evolution of the Massey's Detached Lever Escapements. Thomas Wilson, Glsborough, No. 7458. D. Egg shell enamel with Roman numerals and subsidiary seconds. GiIt brass dust-cap. M. Hinged gilt brass full plate with column pillars, Fusee with chain, Massey's lever type I. Robert Roskell, Liverpool, No. 38868. C. Liverpool type, hallmarked 1825. D. Gold. GiIt brass dust-cap. M. Hinged gilt brass full plate with column pillars, Fusee with chain, Massey's lever type I I. Previously in the collection of The Time Museum, this watch was sold by Sotheby's in New York on 11 December 1986, lot 209 (3) of the catalogue. E.S. Yates & Co., London, No. 11495. C. Liverpool type. D. Egg shell enamel (hair cracks and chipped). GiIt brass dust-cap. M. Hinged gilt brass full plate with column pillars, Fusee with chain, Massey's lever type III. Previously in the collection of The Time Museum, this watch was sold by Sotheby's in New York on 11 December 1986, lot 209 (2) of the catalogue. French, Bristol. D. Egg shell enamel with Roman numerals and subsidiary seconds. GiIt brass dust-cap. M. Hinged gilt brass full plate with column pillars, Fusee with chain, Massey's lever type V. Lot of 4, sold with a copy of Alan Treherne: The Massey Family. Estimate: SFr. 1'500-2'000

D. Egg shell enamel with Roman numerals and subsidiary seconds. GiIt brass dust-cap. M. Hinged gilt brass full plate with column pillars, Fusee with chain, Massey's lever type I. Robert Roskell, Liverpool, No. 38868. C. Liverpool type, hallmarked 1825. D. Gold. GiIt brass dust-cap. M. Hinged gilt brass full plate with column pillars, Fusee with chain, Massey's lever type I I. Previously in the collection of The Time Museum, this watch was sold by Sotheby's in New York on 11 December 1986, lot 209 (3) of the catalogue. E.S. Yates & Co., London, No. 11495. C. Liverpool type. D. Egg shell enamel (hair cracks and chipped). GiIt brass dust-cap. M. Hinged gilt brass full plate with column pillars, Fusee with chain, Massey's lever type III. Previously in the collection of The Time Museum, this watch was sold by Sotheby's in New York on 11 December 1986, lot 209 (2) of the catalogue. French, Bristol. D. Egg shell enamel with Roman numerals and subsidiary seconds. GiIt brass dust-cap. M. Hinged gilt brass full plate with column pillars, Fusee with chain, Massey's lever type V. Lot of 4, sold with a copy of Alan Treherne: The Massey Family.

Rack Lever Escapement. Lot of two watches representative of the rack lever escapement with 30 tooth escape wheel. M.I. Tobias & Co., Liverpool, No. 4910. Silver pair cased watch with Rack Lever Escapement.

C. Polished, hallmarked 1818. Later outer. D. Egg shell enamel with Roman numerals and subsidiary seconds. Gold "spade" hands. Gilt brass dust-cap. M. Hinged gilt brass full plate with column pillars, Fusee with chain, 30 tooth escape wheel. Sold by Christies in New York on 17 December 1986, lot 425 of the catalogue. Tim. Wiggan, Liverpool No. 1594. Pat. Litherland & Co. 18 ct. gold watch with Rack Lever Escapement. C. Polished, hallmarked 1820. D. White enamel with Arabic numerals. Gold "spade" hands. GiIt brass dust-cap. M. Hinged gilt brass full plate with column pillars, Fusee with chain, 30 tooth escape wheel. Previously in the collection of The Time Museum, this watch was sold by Sotheby's in New York on 11 December 1986, lot 209 (1) of the catalogue.

Ls. Mousquet, Lauri(s), Vaucluse, France, circa 1840. Very rare experimental clockwatch with special escapement.

C. Later gilt bronze. D. White enamel with Breguet numerals. Blued steel "scoties" hands. M. 20"', brass, Lepine type calibre with free standing barrel, very unusual deadbeat verge escapement with 12 star-wheel and single impulse. Unusual striking train ( partly lacking) with going barrel and the gongs beneath the dial. Signed on the bridges. Going train in working condition. Diam. 55 mm.

Auburnade Rotary, Massachusset, No. 319, made in 1877. Rare and interesting nickel watch with revolving movement.

C. Contemporary nickel, glazed on both faces. D. White enamel with Roman numerals (hair line). Blued steel "spade" hands. M.18-, nickel, lever set, special calibre, 4 jewels, straight line lever escapement, plain three-arm balance flat balance spring. Signed on the movement. In very good condition. Diam. 52 mm.

Barraud, London, No. 7223, Swiss, circa 1840. Rare and interesting silver watch with Patent Vertical Escapement.

C. Three body, "forme quatre baguettes" with fixed cuvette. D. White enamel with Roman numerals and subsidiary seconds (hair lines). Blued steel Breguet hands. M. Hinged gilt brass half plate with going barrel, frictional-rest escapement of Debaufre type with double "Chaff Cutter" escape wheel and single pallet as used by Olivier Cartier from Le Locle and Paul Garnier in Paris for carriage clocks. Signed on the dial and movement. In very good condition. Diam. 48 mm.

Peter Orr & Sons, Madras, No. 2879, Swiss, circa 1830. Fine silver hunting cased, two time zone watch with split centre seconds.

C. Four body, engine-turned. D. White enamel with two small Roman chapters and outer seconds ring. GiIt and blued steel hands. M. GiIt brass, bar calibre with going barrel, JeanRenaud duplex lever escapement. In very good condition. Diam. 51 mm.

Not signed, circa 1840. Fine silver two time zone watch with centre seconds.

C. Four body, engine-turned. D. White enamel with two small Roman chapters aouter seconds ring and subsidiary seconds. Blued steel hands. M. GiIt brass, three quarter plate with going barrel, unrecorded version of duplex lever escapement. In very good condition. Diam. 42 mm.

Charles E. Jacot, No. 300 circa 1855. Very fine and rare 18 ct. gold hunting cased watch with 1/3 second "diablotine".

C. Four body, massive, "bassine et filets", engineturned. Gold cuvette engine-turned on the border. D. White enamel with Roman numerals, subsidiary seconds and "foudroyante". GiIt and blued steel hands. M. 19"', frosted and gilt, three quarter plate with going barrel, Charles E. Jacot star wheel duplex escapement patented on 20 July 1852. Signed on the back plate. In very good condition. Diam. 52 mm.

George Graham, London, No. 795, circa 1740. Very rare and fine 20 ct gold pair cased, quarter repeating watch.

C. Double body, bassine, pierced and engraved with mask and foliage. Contemporary outer. D. White enamel with Roman numerals and outer Arabic minute ring. Blued steel "poker and beetle" hands. GiIt brass dust-cap. M. Hinged giIt brass full plate with column pillars, fusee with chain, early cylinder escapement, plain steel three-arm balance, flac balance spring, English gilt brass cock with diamonc end-stone. Repeating on a belle by depressing the pendant. Signed on the dust-cap and back plate. In very good condition. Iliam d7 mm _

Sleightholm & Co., London, No. 1134, circa 1800. Fine and rare gilt brass pair cased pocket chronometer with unusual escapement.

C. Double body gilt brass inner and outer, both plain. GiIt brass dust cap. D. White enamel with Roman numerals and subsidiary seconds. Gold arrow hands. M. Hinged gilt brass full plate with cylindrical pillars, fusee with chain and maintaining power, unusual form of detent escapement, built as a spring detent, but pivoted at its base, plain steel three-arm balance, flat blued steel balance spring and diamond end-stone. Signed on the back plate. In very good condition. Diam. 63 mm.

Wregg, London, Nà. 1649, circa 1823. Extremely rare 96 hour coach watch with special escapement, in mahogany fitted box.

C. Secured in a brass drum case, in a fitted mahogany box. D. White enamel with Roman numerals. M. GiIt brass full plate with turned pillars, fusee with chain, extremely rare Flamenville dead-beat verge escapement with notch rollers. Signed on the box, dial and back plate. In very good condition. Diam. of movement: 65 mm.

Just. Vulliamy, London, No. C.X.O., circa 1780, probably made by Thomas Earnshaw. Very rare silver watch with special escapement.

C. Later, specially made. GiIt brass dust cap. D. White enamel with Roman numerals, outer Arabic minute ring and subsidiary seconds. Gold "poker and beetle" hands. M. Hinged gilt brass full plate with cylindrical pillars, fusee with chain, rare single wheel Tyrer type duplex escapement. Signed on the dial and back plate. In very good condition. Diam. 50 mm.

John Marie, London, No. 658, French, with Paris hallmarks for 1771. Fine and rare large silver watch with special escapement.

C. Double body, Louis XV, polished. D. White enamel with Arabic numerals and outer Arabic minute ring; gold Louis XV hands. M. Hinged gilt brass full plate with cylindrical pillars, fusee with chain, double wheel frictional rest escapement of Debaufre type, as improved by Pierre Le Roy the eldest, plain brass three-arm balance with flat balance spring, gilt brass continental cock with polished steel end-piece. Signed on the dial and back plate. In good condition. Diam. 64 mm.

J. Hovenschold in Stockholm, No. 586, circa 1800. Very rare giIt brass watch with special escapement.

C. Double body Louis XVI, polished. D. White enamel with Breguet numerals and diamond inlaid half hour divisions; Gold hands. M. Hinged gilt brass full plate with turned pillars, fusee with chain, Sully type frictional rest escapement with single escape wheel and double pallets on the balance staff, plain brass three-arm balance, flat balance spring, gilt brass continental cock pierced and engraved with the initiais of the maker. Signed on the dial and back plate. In very good condition. Diam. 49 mm.

Lepine Invenit et Fecit, No. 6204, circa 1810. Extremely rare silver experimental watch with special escapement.

C. Empire with reeded band and and glazed back. D. White enamel with Breguet numerals (hair line). Blued steel Breguet hands. M. GiIt brass full plate with going barrel, Robin's type detent lever escapement, plain brass threearm balance, flat balance spring with Breguet bimetallic compensation curb on the index. Signed on the dial. In very good condition. Diam. 55 mm.

Hessen Invenit et Fecit in 1787. Extremely rare experimental watch with special escapement and temperature compensation, Inventée en 1787 par Hessen, Horloger de Monsieur P-F à Paris.

C. Later silver, glazed on both faces. D. White enamel with Roman numerals and subsidiary seconds (hair cracks). Blued steel Breguet hands. M. Inverted gilt brass full plate with polished steel back plate, fusee with chain, verge escapement, the verge driven by the balance by means of a roller with highly complicated safety device in order to enable the balance to be free when effecting its supplementary arc. Brass four-arm balance with poising screws, short helical balance spring with large bimetallic compensation curb screwed on the front plate. Signed on the dial and dial plate. In working order. Diam. 48 mm.

J. Girardoni in Wien, circa 1800. Rare silver watch with special calibre and unusual pin-wheel type escapement:

C. Later specially made, with reeded band and engine-turned back. D. White enamel with Roman numerals. Blued steel Breguet type hands. M. Hinged gilt brass, the back plate of smaller diameter, with turned pillars, fusee with chain, unusual triangular, single pallet pin-wheel escapement, plain steel three-arm balance, flat balance spring. Signed on the back plate. In very good condition. Diam. 61 mm. - _

Julien Le Roy à Paris, Swiss, circa 1800. Extremely rare centre seconds watch with an early form of rack-lever escapement with pirouette.

C. Contemporary, gilt brass, polished with reeded band. D. Eccentric white enamel with Arabic numerals, outer Arabic seconds ring. M. Hinged gilt brass full plate, fusee with chain, rare early continental form of rack lever escapement with pirouette, the spiral spring mounted on the pirouette wheel. Signature on the back plate. In good condition. ,t , Diam. 58 mm.

Not signed, French, circa 1800. Unique experimental centre seconds watch with pin-wheel lever escapement.

C. Later gilt brass, glazed on both faces. D. White enamel with Roman numerals. Blued steel Breguet hands. M. Brass, unusual calibre with free standing barrel, counterpoised pin-wheel lever escapement, plain brass three-arm balance, flat balance spring. In very good condition. Diam 55 mm

Not signed, France, circa 1840. Rare and interesting, quarter repeating pocket chronometer with special escapement.

C. Silver, "forme quatre baguettes". Silver cuvette. D. White enamel with Breguet numerals. Blued steel Breguet hands. M. GiIt brass, Lepine type calibre with free standing barrel, very unusual pivoted detent escapement with gold escape wheel, three-arm compensated balance of Louis Berthoud's type, blued steel flat balance spring. In very good condition. fliam 1S mm f ~i1