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Set of Napier's rods in boxwood case, made in England by an unknown maker, about 1690.
Islamic planispheric astrolabe in brass, diameter 25 cm, with rete, two plates, alidade, alidade, pin and horse, made by Jamal al-Din ibn Muquin, at Lahore, Pakistan, in 1077 AH (= 1666-7 CE). Inside of mater shows map locating Mecca with qibla of 17 locations. Zoomorphic characters on rete.
Robert Hooke type microscope
Compound microscope designed by Robert Hooke, 1671-1700 and thought to have been made by Christopher Cock, Long Acre, Covent Garden, London, but not signed. Part of an accessory for manipulating specimens has survived and the objective lens is a modern replacement made in 1965.
Isaac Newton’s reflecting telescope (replica)
Replica of Newton's first reflecting telescope made in 1668 and now in the possession of the Royal Society of London. Made for the Science Museum in 1924 by Mr F.L. Agate
Early balance spring watch by Thomas Tompion
Early balance spring pocket watch in silver case made by Thomas Tompion, Fleet Street, London, England, 1675-79. The watch features an unusual dial showing minutes on the main dial and two subsidiary dials for the hours (in the upper position) and seconds (in the lower position). The subsidiary dial for hours indicates up to six hours in each cycle.
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.
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.
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.
Whole model, full rigged, of ship of the line, H.M.S. 'Prince'
Contemporary whole rigged (rigged in Museum) model, scale 1:48, of English 1st rate ship of the line of 100/90 guns HMS 'Prince' (1670), showing hull construction method, designed by Peter Pett and made by Chatham Dockyard,
Spring clock in ebony case by Samuel Knibb
Spring table clock by Samuel Knibb in an ebony veneered oak case. The dial is 9 1/4 inch square, and engraved with spring flowers. 8-day fusee movement with verge escapement and short pendulum. Hour and half-hour count-wheel striking. Latched plates. Sparse engraving on backplate. Signed ‘Samuel Knibb Londini fecit.’ Westminster, c.1666.
wheel cutting machine
Hand and Machine Tools
Early clock-wheel cutting machine made by Humphrey Marsh, England, 1668-1672.
Horary quadrant by Henry Sutton
Horary quadrant made by Henry Sutton, Threadneedle Street, London, 1658. Paper scale on brass with lead plumb bob
Magnetic compass and sundial by Henry Sutton
Folding pocket compass and sundial in boxwood case made by Henry Sutton, Threadneedle Street, London, 1650-1665.
Cylindrical form of Napier's bones
Original Napier's Rods, cylindrical arrangement in wooden box with ten figured rollers; inside lid inscribed "This box was the identical property of the author of ye Logs, Napier 1824" (wire, hingeing lid to box, broken) from the library of the Lord Napier and Ettrick
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.
Silver and tortoiseshell watch pair-cased watch with differential dial by John Ferrers
Silver and tortoiseshell pair-cased watch by John Ferrers c.1695. The outer case is covered in tortoiseshell and decorared with silver pins and disks. The inner case is of plain silver. The silver champlevé dial has a minute band around the outer edge, and a central rotating disc displaying the hours, marked I-XII. Between the minutes and the hour disc is a band with a repoussé trophy of arms and name plaque below, signed 'Ferrers, London'. Single steel hand. Movement with verge escapement, and signed on the backplate ‘Jno. Ferrers London’.
Eight-day longcase clock by Edward East in a later marquetry case
Anchor escapement, eight-day, striking longcase by Edward East London. The oak case, veneered in walnut and floral marquetry, has been altered to fit the movement, which is earlier. The 9¼-inch brass dial has a narrow silvered hour circle with minute figures at every 5, engraved spandrels, and is signed 'Edwardus East Londini'. The two-train movement has count-wheel striking and bolt-and-shutter maintaining power. The movement dates to around 1675 and the case c.1685.
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.
Telescope by Christopher Cock
Refracting five-draw telescope made by Christopher Cock, Long Acre, London, 1673. Inscribed ‘Christopher Cock Londini 1673’. The tube is decorated in gold designs on red vellum and features a royal coat of arms.
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
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
Pulley from long-case clock by Fromanteel
Pulley from long-case clock made by Ahasuerus Fromanteel, London, 1660-1665.
Rock crystal and silver watch in the form of a tulip, by Sermand c.1640
Form watch by Sermand, France or Switzerland. c.1640. Silver case cast in the form of a tulip with three hinged petals, each petal having a carved rock crystal window. Engraved gilt dial plate with a large silver chapter ring, with floral engraving around the outside of the ring, and an engraved scene of a river, bridge and houses in the centre. Steel hour hand with long tail. Verge escapement, with steel two arm balance, Pinned-on, pierced and engraved, oval shaped balance cock. Three wheel train. Fusee with gut line. Gilt backplate signed ‘F. Sermand’.
Model of early manual fire engine, ca. 1680.
Model of early manual fire engine, ca. 1680.
Gear wheel from long-case clock by Fromanteel
Brass gear wheel from long-case clock made by Ahasuerus Fromanteel, London, 1660-1665.
Combined graphometer and plummet clinometer, 1663.
Combined graphometer and plummet clinometer by Christoff Kohler of Dresden, 1663
Gear wheel from long-case clock by Fromanteel
Brass gear wheel and pinion from long-case clock made by Ahasuerus Fromanteel, London, 1660-1665.
Morland's calculating machine, engraved "Samuel Morland, Inventor, 1666"
Morland's calculating machine, engraved "Samuel Morland, Inventor, 1666"; in leather box Humphrey Adamson, mathemtical instrument maker active 1668-1676, made the calculating machine invented by Samuel Morland.
Telescope by John Marshall
Refracting seven-draw telescope made by John Marshall, Ludgate Street, London, 1685-1695.
Escape wheel from long-case clock by Fromanteel
Brass anchor escape wheel from long-case clock made by Ahasuerus Fromanteel, London, 1660-1665..
Verge watch by Peter Debaufre with later modification by Alexander Cumming, London
Verge escapement watch with pirouette by Peter Debaufre, in a silver case with small aperture to show balance. Outer case missing. The silver dial has raised figures with blued steel beetle and poker hands and a subsidiary seconds dial with decorative pierced hand. The movement has a stop piece engaging with the contrate wheel, and the balance cock has a rim with two thin arms to show the pirouette balance which has a spring with 4 turns. A 'pirouette' is a device in which the balance is not on the same axis as the verge, but on a separate arbor and geared to the verge, so that it turns more rapidly. In this case a wheel of 60 teeth on the verge-staff gears with a pinion of 6 leaves on the balance-staff which thus has an arc of about 2½ turns. Signed 'Peter Debaufre London' (Peter is under the foot of the cock). C. 1700.
Black and white enamel verge watch by Goullons, Paris
A gold verge escapement watch with a black and white enamel case by Goullons, Paris c.1650. The white dial is similarly decorated with enamel in its centre. The movement has a three wheel train, a worm-and-wheel set-up and a balance cock nearly covering the entire balance.
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.
Replica of Torricelli's first barometer, 1643.
Replica, Torricelli's first closed cistern barometer, Rome, Italy, 1643
Hand brand, for use on felons or deserters, England, 1642-1649
Hand brand, for use on felons or deserters, used by British army, unsigned, English, 1642-1649
print. engraving and etching. CAROLVS II. SOCIETATIS REGALIS AVTHOR & PATRONVS - SOCIETATIS PRAESES - ARTIVM INSTAVRATOR Evelyn inv D.D.C.; Wenceslaus Hollar f.1667. [London] [J. Martyn] 1667. [trimmed to] 20x16.5cm. Frontispiece from 4to version of first edition of: History of the Royal Society of London, for the improving of natural knowledge/Thomas Sprat. - London, T.R. for J. Martyn, 1667. The frontispiece consisting of the arms of the Royal Society appeared in editions of 1667, 1702 and 1722, but was omitted from the fourth edition of 1734. This second frontispiece appeared only in the larger impressions of the first edition of 1667. Portraits; Bust of Charles II, patron of the Royal Society, upon an inscribed pedestal and crowned by the figure of Fame. Supported to l. by Viscount Brouncker, first President of the Society; to r. by Sir Francis Bacon, instigator of concept of a society of scientists and philosophers in The New Atlantis. Above, the coat of arms of the Society. In gallery setting, opening to world beyond, amid books and various scientific Instruments. Charles II, King of Great Britain 1630-1685. Bacon, Francis. Hollar, Wenceslaus 1607-1677.
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'.
Wandering hour watch by Sinclare, Dublin, c.1690
Watch with wandering hour dial by Gordon D. Sinclare, Dublin, c.1690. Silver case, with engraved back and bezel. Engraved silver dial, signed Sinclare. Wandering hour function comprising a semi circular slot in the dial , behind which is a blued steel disc with aperture for the hour figure, acting as pointer. Minute hand missing. Verge escapement with large balance, backplate signed 'Sinclare. Dublin. 146'.
Silver pair-cased verge escapement watch by Benjamin Wolverstone
Pair-cased verge escapement watch by Benjamin Wolverstone, London, c.1670. Silver dial with gilt engraved border and silver hour ring. In the centre of the dial is a silver alarm disk with steel pointer; the centre of this is filled with red wax. Steel hand with long tail. Oval balance-cock without rim. Worm and wheel set-up regulator with openwork cover. Signed on the movement ‘Ben Woluerstone Londini’. Outer case covered in leather and studded with silver pins. Inner case made of pierced and engraved silver in a flower and foliage design.
Silver pair-cased astronomical watch
Silver pair-cased watch with astronomical indications. The matted dial plate is gilded and engraved with cherubs and has two applied silver dials. The lower dial, with blued steel hand, has a pierced centre and indicates the hours. The upper dial comprises a fixed silver ring showing the day of the month with a silver turning disc and pointer inside. The disc has five circles; the outer circle indicates the signs of the zodiac, the second the months, the third and fourth have a series of figures and the fifth shows the length of month. Also shown in separate apertures on the dial plate are indications for day of the week, moon phase and age, and high tides. Signed 'Nathan Barrow London'on the movement, but partially obscured by the balance cock and silver regulator. These appear to be later than the rest of the watch, which may have originally been made without a balance-spring. Verge escapement and three-wheel train.
Spring clock with pull quarter-repeat by Thomas Tompion
Pull quarter-repeating spring table clock numbered 243, by Thomas Tompion in an ebony veneered oak case with gilt brass mounts. The dial has been gilded and has a silvered chapter ring and subsidiary silvered dials for regulation and strike/silent. 8-day movement with latched plates, verge escapement and pull quarter-hour repeating on one bell. Signed ‘Thomas Tompion Londini fecit’. c.1695
Brass Gunter quadrant (3-inch radius) signed J M, probably John Marr, and dated 1640 with degree and trigonometric scales and volvelle on reverse side.
Watch movement by Thomas Tompion
Verge escapement watch movement by Thomas Tompion. The movement has a four wheel train and tulip pillars, and is signed ‘T. Tompion London 0598’ c.1692
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.
Handheld reading lens and case
Handheld reading lens and leather case, maker unknown, 1680-1700.