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Pre-balance-spring era watch movement by Thomas Tompion c.1671
Pre-balance-spring era watch movement by Thomas Tompion, with a long screwed-on balance cock and worm-and-wheel set-up. A high quality fusee movement, with no pinion having less than 6 leaves. Signed 'Thomas Tompion, London' in flowing script c.1671
Pocket watch by Thomas Tompion
Pocket watch with cylinder escapement and tortoiseshell case made by Thomas Tompion, Fleet Street, London, between 1675 and 1700. Inscribed 'T. Tompion London 3' on the movement and inscribed 'Graham' on the dial.
Majolica pharmacy jar
Blue and white majolica pharmacy vase, ornate snake handles, decorated with scenes of the Circumcision and 3 devil's heads, used by the Order of Minimes by Grosso, Albiola, Italy, 1730-1750
Telescope by John Marshall
Refracting seven-draw telescope made by John Marshall, Ludgate Street, London, 1685-1695.
Repeating clock-watch with dials on front and back by Gautrin, Paris
Cylinder escapement watch with dials on both sides, in a three-coloured gold case, by Gautrin, Paris, France, c.1780. The first dial is of white enamel with Arabic numerals indicating hours, days of the week and days of the month. Gold hour and minute hands , blued steel hands for day-of-the-week and day-of-the-month. Three winding apertures. The second dial is painted (by the dial painter Coteau) and shows the symbols of the Zodiac around the outer edge, an annual calendar ring inside this, a semi-circular aperture for shutters to indicate sunrise and sunset, with age and phase of moon in the centre. With single diamond-studded hand. Also with painted pastoral sunset scene. Signed on back 'Coteau 1780'. Movement with steelcylinder escapement and brass escape-wheel. Plain brass balance. There are two mainsprings, both signed 'Vincent Juin 1811'. The back plate is signed 'Gautrin à Paris N° 481' and a band round the movement is signed 'Gautrin invenitque fecit'. Repeating clock-watch. The watch has a short chain and two keys
Escape wheel from long-case clock by Fromanteel
Brass anchor escape wheel from long-case clock made by Ahasuerus Fromanteel, London, 1660-1665..
Telescope by John Yarwell.
Refracting eight-draw telescope made by John Yarwell, Ludgate Street, London, 1685-1695. Inscribed ‘'John Yarwell, Fecit’. The tube is decorated in gold designs on green vellum and features a royal coat of arms.
‘Visual glasses’ designed by Benjamin Martin
Horn and steel bow spectacles in red shagreen case (now faded). Designed by Benjamin Martin in 1756 and termed ‘Visual Glasses’. The distinctive thick-rimmed design and violet or green tinted lenses (which do not survive in this example) were ridiculed by some contemporaries but ultimately proved popular and were copied by other makers. Thus the maker of this pair is unknown. Martin used the glasses as his trademark; an image of them appears on his trade cards and receipts.
Tin glazed earthenware pill tile
Tin glazed earthenware pill tile, elongated octagonal, decorated in polychrome with the arms of the Society of Apothecaries, English, 17th century
Tobacco jar carved in the form of human skull and snake
Tobacco jar, wood carved in form of human skull, with ivory snake crawling through ear and eye sockets, 18th century (?), Japanese
Painting. [Mrs. Sage] / artist unknown, 1785. Oil on canvas, 77x 63cm or 92 x 78.5 x 11 cm in gilt frame. Portrait, HL, of Mrs. Letitia Ann Sage, 'The first English female aerial traveller' in Lunardi's balloon ascent of 29 June 1785; with balloon motif. Head, bust, white fur mantle, hat and half-veil. aeronaut/balloonist
Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model.
1642-1649 (original); 1883 (model)
Model showing the first idea of the application of the pendulum to the clock designed by Galileo in 1642, made his son Vincenzo in 1649 and illustrated by Vincenzo Viviani, Italy. This model is by Eustachio Porcellotti, Florence, Italy, 1883.
Harrison's eight-day wooden clock movement, 1715.
Original eight day clock by Harrison, date 1715, wheel work mostly of wood. With correspondence concerning Harrison clocks
Watch movement with a quarter-repeating mechanism of early design by Thomas Tompion.
Watch movement with a quarter repeating mechanism of early design, by Thomas Tompion, c. 1691-2. Dial missing. Verge escapement, balance spring with 5 turns. Tulip pillars. Signed 'Tho. Tompion, London'.
Square signed "J.Ramsden, 1757"
Square signed ‘J. Ramsden, 1757’. This square belonged to, and was probably made by, Jesse Ramsden. The brass section of the instrument is scored with letters, figures and other marks.
George III's cycloidal pendulum
King George III
Cycloidal pendulum made by George Adams, Fleet Street, London, England, 1762
Silver vinaigrette in the shape of a skull
Silver vinaigrette in the form of a skull, hinged, opens into two halves, with a perforated silver gilt inner lid, engraved with initials, unsigned, Europe, 1701-1800
'Early 'perpetuelle' watch by Abraham-Louis Breguet
Quarter-repeating, self-winding watch with gold engine-turned case, by Abraham-Louis Breguet c.1783. On the back of the case is a crowned ‘N’. The white enamel dial has Breguet's secret signature. Both dial and case are later replacements by Breguet. Blued steel 'Breguet' hands. Cylinder escapement, with no compensation on the balance. Quarter repeating and self-winding. Signed ‘Breguet à Paris 810/83’.
Sector signed John Allen
Gunter sector made by John Allen in 1623, Strand, London. It is signed 'John Allen fecit'.
Terrestrial Globe by George Adams
King George III
Terrestrial globe, on mahogany tripod stand with compass with glazed mahogany case made by George Adams, Fleet Street, London, 1766. Inscribed 'Made by G. ADAMS Fleet Street LONDON' on the compass.
Culpeper microscope with boxfoot made by George Adams in 1738
Gold pair-cased watch with gold champleve dial, by Daniel Quare
Plain gold pair case, probably of a later date to the movement (c.1728) with case maker's stamp IR. Gold champlevé dial with aperture for dial winding. Blued steel hour hand and minute hand shaped to avoid protruding squares through dial. Verge escapement movement. Balance cock with solid engraved foot and diamond endstone. Signed on movement ‘Daniel Quare London 3720’. Clockmakers Museum No. 126
Eight ebony violin fingerboard shape and sized hollow fabrications
James Watt's Garret Workshop
One of eight long pieces of ebony, partly pierced - violin fingerboards made by James Watt, Glasgow, Scotland, to the design of Charles Clagget, 1758-1769.
Infant feeding bottle, Germany, 1701-1800
Nursing & Hospital Furnishings
Glass and silver infant's feeding bottle, with polychrome design, German, 1701-1800
Samuel Morland's calculating machine
Calculating machine designed by Sir Samuel Morland in 1666 with leather case, made between 1666-1695.. Inscribed: 'Samuel Morland Inventor 1666'. Probably made by Humphrey Adamson in Holborn, London, but not signed.
Ogee moulding plane
Hand and Machine Tools
5/8" Ogee moulding plane, c. 1720, by Robert Wooding
Beam compass by George Adams
King George III
Beam compass made by George Adams (the Younger), Fleet Street, London, 1775-1795.
Gold pair-cased verge repeater watch by William Webster
Pierced and engraved gold pair-cased verge escapement repeater watch by William Webster. The gold dial has raised hour figures and large minute figures, a sunk centre with name plaques and steel hands. Repeats on bell or pulse piece. Signed ‘Willm. Webster Exchange Alley London 1033’. Early 18th century
Marine chronometer by John Arnold and Son
Spring detent escapement marine chronometer by John Arnold & Son, London. Held in a wooden octagonal case without gimbals. 4 inch silvered dial. Helical balance-spring with terminal curves. OZ balance. Signed ‘John Arnold & Son, London No. 92 Invt. et Fect’ c.1795.
Pivoted-detent escapement watch by Larcum Kendall
Silver pair-cased pivoted detent escapement watch by Larcum Kendall, in which the passing spring is operated by an inclined plane on the balance staff. White enamel dial with subsidiary dials for hours and seconds. Brass balance with spiral bi-metallic compensation curb, Signed 'L. Kendall London B+y', London, hallmarked 1786-7
Clock weight from long-case clock by Fromanteel
Brass-cased lead clock weight from long-case clock made by Ahasuerus Fromanteel, London, 1660-1665. The outer brass casing is engraved with a coat of arms featuring a shield and crown.
Pewter pap boat
Nursing & Hospital Furnishings
Pewter pap boat, possibly French, 1701-1800
Brass enema syringe, piston-action, driven by "lazy-tongs" mechanism, possibly Portuguese, 18th century
Barber's chair modified for dental extractions
Barber's chair, wood, modified for dental extractions, possibly Dutch, 1701-1800
Demainbray's speaking trumpet
King George III
Speaking trumpet made between 1700-53, maker and place of production unknown, but once belonged to Stephen Demainbray.
Celestial globe by Willem Janszoon Blaeu
Celestial globe made by Willem Janszoon Blaeu, Amsterdam, Netherlands, 1603.
Case for William Roy’s standard scale, 1742
Weighing & Measuring
Case for 42-inch standard scale marked with a standard yard, 1742, inscribed: ‘General Roy’s 3-Feet Standard’. The scale was owned by surveyor William Roy and used by him whilst conducting measurements of a baseline at Hounslow Heath in 1784.
Pair-cased watch with astronomical indications by Henry Childe
A silver and leather pair cased verge watch by Henry Childe. The dial has a silver chapter ring displaying the hours, an inner ring for age of the moon, with a gilt centre showing the moon's aspects and an aperture for its phase. All enclosed by an outer calendar ring, with steel pointer. Pinned on balance cock with balance now missing. Worm-and-wheel set-up, fusee line missing. Signed ‘Henricus Childe Fecit’ on the movement. Outer case covered in leather with silver piqué decoration. London c.1650.
Astronomical spring clock by Samuel Watson, believed to have belonged to Sir Isaac Newton
Astronomical spring table clock in ebonised case with statue of mercury on top by Samuel Watson. 8-day movement with engraved back plate, one bracket engraved with an eclipse, rack striking, anchor escapement and half seconds pendulum with separate sliding weight for regulation. The 11 inch dial shows both astronomical and astrological information as follows; The fixed outermost ring on the dial gives the times of sunrise and sunset, denoted by a gilt sun, which revolves clockwise once in 365 days. The ring to which the sun is fixed is engraved with the months of the year and corresponding signs of the Zodiac. Next is a silvered chapter ring on which the hours and minutes are indicated by a single hand. The brass lunar dial within this chapter ring revolves once in 29½ days and has an aperture showing the phases of the moon. Also engraved on this dial are the 'aspects'- lines for trine, quadrature, sextile and opposition of the moon used in making astrological deductions. The innermost set of seven rings shows the time of the setting of the moon during the first half of its lunation and that of its rising during the second half, each ring referring to different months. Signed ‘Sam Watson Londini Fecit’.
Longcase clock movement by Thomas Bradford
Longcase clock movement by Thomas Bradford, London 8-day movement with latched plates and five pillars, anchor escapement and inside count-wheel striking. The 11-inch brass dial has cherub spandrels, applied chapter and seconds rings and date-work. c.1692
Smellie-type obstetrical forceps
Obstetrics, Gynaecology & Contraception
Forceps, obstetrical, Smellie, metal with leather covering, probably English, 18th century
Marine chronometer by John Arnold and Son, 1787-1799
Two-day marine chronometer (No 63) by John Arnold and Son, Cornhill, London, 1787-1799.
Longcase clock signed James Harrison, brother of John Harrison
Grasshopper escapement longcase clock in ebonised pine case by James Harrison, brother of John Harrison, Barrow-upon Humber, North Lincolnshire The 11 inch wooden dial is hand-painted with a silvered hour circle. Indications for seconds and day-of-month show through apertures. Within the door of the case is a window displaying an equation-of-time table in John Harrison’s hand. It is corrected for the change to the Gregorian Calendar in 1752. 8-day movement, plates and wheels of oak, roller pinions of lignum vitae and brass. Temperature compensated gridiron pendulum. Adjustable cycloid cheeks. Maintaining power. Signed in the arch of the dial 'Barrow, James Harrison' and 'James Harrison 3rd 1728 Barrow' on calendar wheel.
Clock movement for Shelton regulator clock
Movement for regulator clock with dead beat escapement, inverted grid iron pendulum with steel knife edge pivot on an agate plate and bubble level. Originally made by John Shelton, Shoe Lane, London, 1768-9, with later modifications.
Slide rule by Robert Bissaker
Slide rule made by Robert Bissaker in 1654, Radcliffe (now Wapping), London. Signed 'Robert Bissaker 1654 For T W'. It is the earliest-known dated straight slide rule.
Pair-cased verge watch by Anna Adamson
Pair-cased verge escapement watch by Anna Adamson, the inner case of gilt metal and the outer covered in leather with some pinwork. White enamel dial with steel hands. Fusee movement with balance cock pierced and engraved in a pattern of lilies. Signed ‘Anna Adamson fecit’ c.1690.