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Demainbray's Archimedean screw
King George III
Model of an Archimedean screw, maker unknown, before 1753. Once belonged to Stephen Demainbray.
Demainbray's optical model
King George III
Optical model of a spectrum with inverted colours, maker unknwon, 1752. Once belonged to Stephen Demainbray. A handwritten inscription on the base reads: 'Prism screen & convex lens/Colours inverted '4''.
Silver verge escapement watch with sun and moon dial, by H Adamson.
Silver pair-cased verge escapement watch with silver ‘sun and moon’ dial by Humphrey Adamson, London
Watch in a puddingstone, gold and diamond case by John Le Roux
Verge escapement watch with a puddingstone and gold consular case, inset with rose diamonds, by John Leroux. White enamel dial with gold hands and dial winding. Movement signed ‘Jno. Leroux, London 351’. Late 18th century.
Pulley from long-case clock by Fromanteel
Pulley from long-case clock made by Ahasuerus Fromanteel, London, 1660-1665.
Triple-cased quarter-repeater watch by Paul du Pin
Triple cased, verge escapement, quarter-repeater watch by Paul Du Pin. The middle and inner cases are of gold, and the outer covered in leather. The middle case is formed in high relief repoussée and signed ‘Moser’, the inner case is pierced and engraved. White enamel dial with gold beetle hands. Repeats on bell in the bezel of the middle case. Dust cap. Signed ‘Paul du Pin London 1530’. Hallmarked 1739 – 40
Gold repoussé watch depicting the Choice of Hercules, by John Ellicott.
Pair-cased gold watch with outer case in high repoussé. Movement by John Ellicott, London, case signed Manly F and hallmarked 1767 – 1768. Outer case in gold repoussé, the inner case in plain gold. White enamel dial with Arabic hour numerals and gold hands. Cylinder escapement with diamond endstone. Backplate signed ‘Ellicott London 6027’. Dust cap, also signed ‘Ellicott London 6027’.
Cylinder watch with enamelled gold case made for Queen Charlotte
'Cylinder escapement 'dumb repeater' watch by Conyers Dunlop, with enamelled gold case signed by George Michael Moser, made for Queen Charlotte (1744-1818). White enamel dial with steel beetle hands and an apperture for winding. Engraved and pierced balance cock with diamond endstone. Signed ‘Conrs Dunlop London 3383’. Mid-18th Century.
George III's tidal demonstration model
King George III
Apparatus to demonstrate tidal motion, made by George Adams, Fleet Street, London, 1762.
Pair-cased pocket watch
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement, made by Will Kipling, London, 1705-1737. Movement inscribed 'Will Kipling no.483'. The movement consists of silver pillars (jewelled endstone removed).
Travelling 'coach' watch by Edward East
Verge escapement travelling coach watch movement, with striking and alarm by Edward East, London Gilt dial plate with engraved border and silver hour ring. Large alarm disc covered with flowers and foliage. Oval pierced balance cock, screwed to the plate. Silver count wheel. Chain and fusee. Four wheel train. Signed ‘Eduardus East, London’. Mid-17th century.
Ivory tool handle, signed Tho. Tompion Fecit
Late 17th century ivory handle for a tool, signed 'Tho. Tompion Fecit'.
Deck-watch used by Capt. George Vancouver on board HMS Discovery 1791-5
Silver pair-cased, spring detent escapement deck-watch by Thomas Earnshaw. White enamel dial with a subsidiary seconds dial and inscribed 'Thomas Earnshaw Invt et Fecit No.58'. The movement is signed 'Thos. Earnshaw London Invt. et Fecit. no 1514’ and has a two-arm bi-metallic compensation balance with wedge weights. (Earnshaw’s double numbering system is not understood). Hallmarked 1791-2.
Exchequer standard quart measure of Queen Elizabeth I, 1601
Weighing & Measuring
Bronze Exchequer Standard Winchester Quart Measure, dated 1601. One of a series issued to 60 cities in England during the reign of Queen Elizabeth I.
Silver star-shaped verge watch by David Ramsay
A verge escapement watch by David Ramsay, with an engraved silver case in the shape of a six-pointed star. The engraved dial is signed ‘de Heck Sculp'. The fusee movement has a pinned-on balance cock and ratchet wheel set-up. Signed ‘David Ramsay, Scotus me fecit’ c.1625
Terrestrial globe by John and William Cary, London
Pocket terrestrial globe by John and William Cary, London, c.1791.
Twelve-inch quadrant by John Bird
Twelve-inch quadrant on pillar stand with two plumb bobs, two glass beakers and two detachable reading microscopes, by John Bird, Strand, London, England, 1760-1769. This instrument has its original mahogany case. This type of quadrant was used by Lieutenant (later Captain) James Cook during his first voyage of exploration aboard HMS Bark Endeavour (1768–1771).
Spring clock in walnut case by Henry Jones
Spring table clock by Henry Jones, in a walnut veneered oak case. The dial has been gilded and has a silvered chapter ring and a calendar aperture. 8-day fusee movement with verge escapement and short pendulum. Latched plates. Count-wheel striking. Sparsely engraved backplate signed ‘Henry Jones in ye Temple’. London, c.1675.
Gold lever escapement watch by John Leroux
Gold pair-cased lever escapement watch by John Leroux, London. Gold cases stamped VW (for casemaker Valentine Walker) and hallmarked for 1785 – 1786. White enamel dial signed 'Leroux London'. Central minute hand with subsidiary dials for hours and seconds. Gold hands. Details of lever escapement; all the impulse is given by the inclines on the hook-shaped teeth of the steel escape-wheel, to pointed pallets on the lever. The short lever is placed tangentially to the escape-wheel. The pallets embrace only two teeth of the escape-wheel. A jewel set in the tail of the lever moves between the adjustable banking pins. The balance staff has a cranked roller for impulse and unlocking, and a separate roller for the safety-dart. The design of this escapement provides draw. The balance is a four-arm steel wheel with timing screws and with two bi-metallic arms fixed to it, with stops to limit their outward movement. The free-sprung balance-spring is conical in shape. Full plate movement with fusee and stop lever. Movement signed 'J. Leroux Charg. Cross London'.
Lantern clock by Francis Forman
A lantern, or house clock of twelve hours duration with (replaced) balance escapement. Mannerist frame. The dial engraved with naïve floral pattern and grotesque mask. Characteristic reversed ‘X’s from nine to twelve o’clock. The frets bear the mark of the brass founder ‘I.S.’ or ‘S.I.’. Signed ‘Francis Foreman at St. Paules gate’. London, c.1630.
Model of William Murdock's Oscillating Engine, 1785.
Original model of William Murdock's Oscillating Cylinder Engine, 1785
Round wooden box of powdered glass
James Watt's Garret Workshop
1 Box Window glass, prepared
Oval-shaped flask labelled "Sal. Tartar. R.V."
Glass flask, ovoid, labelled "Sal. Tartar. R.V." (potassium carbonate), probably Spanish 17th or 18th century
Wax male figure showing the arteries of the body, Florence, Italy, 1776-1780
Anatomy & Pathology
Wax male figure, showing arterial system, Italian, 1776-1780
Blue and white maiolica albarello
Albarello, Spanish, 1660-1760, blue and white maiolica, made for Order of Antonins
Seven almost identical unfinished watch movements
Seven unfinished watch movements, representing unique evidence of quantity production in the 17th century. They are complete and almost identical, although individual parts are not interchangeable. Found in the chest of the Worshipful Company of Clockmakers (object number L2015-3615) in 1814.
Frame saw, late 18th century fitted with a blade (
Hand and Machine Tools
Frame saw, late 18th century fitted with a blade (web).
Toothbrush set, in rectangular red leather tooled
Toothbrush set, in rectangular red leather tooled pull off case
Petit's type tourniquet
Tourniquet, Petit's type, wooden screw, leather covered pad and leather band, possibly Bavarian, c. 1750
Trade card: Tho. Tutell, Charring Cross, London. Print of early Scientific Instruments (Engraved by Tuttell). 'Mathematical Instrumt. maker to ye Kings most excellt. Majesty'. more than 60 instruments depicted. Each illustration is numbered as if the picture was a catalogue. Vignette shows surveying instruments in use. (Calv. 408)
Trade card for John Yarwell, optician, London, England, 1697
Trade card: John Yarwell, at the Archimedes and 3 pair of Golden Spectacles in Ludgate Street, the Shop next Ludgate, London, Makes True Spectacles and other optical instruments.1697. (Calv. 461)
Lead mortuary crosses, England, 1300s and 1600s
Classical & Medieval Medicine
Lead cross, replica of that taken from the graves of victims of the plague in London, original 17th century
Model of a 28 gun frigate
Model, scale 1:48, rigged, of a 28 gun frigate (c.1785), rigged by Science Museum, Workshops 1907, unsigned, England, 1770-1780. Actual ship designed by Sir John Williams, England, United Kingdom.
Albarello, polychrome maiolica
Albarello, Italian, 1700-1780, polychrome maiolica, tin-glazed earthenware albarello used for absinthe, by Order of Augustinians, featuring the emblem of the Order, a flaming heart pierced by an arrow and the Bible.
Altazimuth theodolite by Benjamin Cole & Son, London, 1755-65. Without wooden tripod base.
Albarello, blue tin-glazed earthenware
Albarello, blue tin-glazed earthenware, used for cinchona bark, Spanish, 18th century
Small screw-cutting device or fusee engine for clock-maker's use
Hand and Machine Tools
Small screw-cutting device or fusee engine for clock-maker's use, c.1800
Pair of obstetrical forceps
Obstetrics, Gynaecology & Contraception
Forceps, obstetrical, wooden model, probably English, second half 18th century
Wax male figure showing the veins and some organs of the body, Florence, Italy, 1776-1780
Anatomy & Pathology
Wax male anatomical figure, showing venous and some organs, in case, by Susini and Calenzuoli, Florence, 1776-1780
Stomach from wax anatomical figure
Anatomy & Pathology
Stomach from wax anatomical figure of reclining woman, Florence, Italy, 1771-1800.
Front part of lungs from wax anatomical figure of reclining woman
Anatomy & Pathology
Front part of lungs from wax anatomical figure of reclining woman, Florence, Italy, 1771-1800.
Tumbler, horn, with silver strip around rim, 1742
Horn tumbler with silver strip around rim, 1742
Earthenware drug jar for zinc sulfate
Tin-glazed earthenware drug jar, barrel-shaped, labelled "SULF.ZINC", painted with monastic arms, Spanish, 17th or 18th century
Tin-glazed earthenware drug jar
Tin-glazed earthenware drug jar, barrel-shaped, painted with monastic arms, Spanish, probably 17th or 18th century
Cow's horn infant feeder
Nursing & Hospital Furnishings
Cow's horn, used for infant feeding, 18th century
Amputation saw with ivory handle
Amputation saw with ivory handle, Spanish, 1601-1700
Heart-shaped pill tile
Earthenware pill tile, heart shaped, with tin glaze, decorated with the arms of the Society of Apothecaries, English, 1751 to 1800