Wikipedia:GLAM/NHMandSM/SM Galleries/Measuring Time

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• File:Russian dial, with two additional plates, by Johann Jacob Sauter, St. Petersburg, Russia, 1791-1800.
• File:Two-day marine chronometer (No 63) by John Arnold and Son, London, England, 1815-1821.
• File:Clock with gravity escapement constructed by Mr. J. M. Bloxam, 1845-1855.
• File:Perpetual Calendar, brass scroll-work chased. Revolving plates silvered. Length 5 3/8-inches. Made in France, 1801-1830.
• File:Sundial with compass, brass gilt, silvered circles. Diameter 6in. Engraved No.116 Se 61812, Toda M. Uda Rymoe. German, late 17th century (cover glass of compass box cracked)
• File:Sundial, Gnomon fixed on a cannon over touch hole of which a lens is fixed. French, 1782, of cast bronze. Base 8 1/2" square
• File:Tablet azimuth sundial, with compass, engraved. Ivory, 3¼ x 2½-inches, by Charles (Carolus) Bloud, Dieppe, France, 1650-1686. With equatorial dial in the upper leaf (see note).
• File:Tablet sundial with compass, ivory with coloured engraving, 4¼ x 2½-inches, Germany, 1648 (see note).
• File:Tablet sundial with compass, engraved ivory, highly decorative with religious images, 3 x 2¾-inches, Germany, 1601-1700. With subsidiary dial (see note).
• File:Perpetual calendar, gilt metal, 2½ x 9/16-inches, Germany, 1701-1800.
• File:Universal pocket sundial, silver with gilt hour ring and pin gnomon, diameter 1¾-inches, by Johann Martin, Augsburg, Germany, 1701-1721 (see note).
• File:Sundial, made as a locket, gilt metal, part silver, 1¾-inches square, by Juan Cocart, Madrid, Spain, 1596 (see note).
• File:Column sun-dial, gilt bronze (639-65). 9in. high, diam. of pillar = 2in. V and A. Museum Reg. Imperfect, no compass or cover glass, 1531-1570
• File:Sun-dial with folding gnomon on bronze cup-shaped support, with metal lid, compass in base of cup, 1601-1630. Cup diameter 2 5/8-inches. For use in latitude 53° (see note).
• File:Cubical sun-dial (30-81 V. and A. M. Reg), in wood, painted in distemper, Italian, 1550-1570.
• File:Column sun-dial (21-1879 V and A. M. Reg), height 9 1/8inches, 1601-1700, gilt metal, on square base, surmounted by figure of dragon
• File:Pocket sun-dial, brass, by Nicolas Bion, Paris, France, 1680-1733.
• File:Cast bell set up in connection with the Wells cathedral clock (one of three)
• File:Cast bell set up in connection with the Wells cathedral clock (second of three)
• File:Clock formerly in Wells Cathedral
• File:Ancient striking clock with crown wheel escapement. Obtained from Dover Castle.
• File:Horizontal, magnetic sundial, silvered, in brass case, diameter 3.75-inches, dial made in England, 1801-1900 (see note).
• File:Sundial, 2¼-inches, brass with silvered hour-ring, made by Lorenz Grassl, Augsburg, Germany, 1751-1800. In leather case with table of latitudes and directions for use (see note).
• File:Sun-dial, brass, with crescent-shaped hour circle, 6 1/2in. diameter, 18th century
• File:Tablet sun-dial with string gnomon, ivory, engraved with epacts for years 1611 to 1629, size 4 x 3¼-inches, Germany, 1610 (see note).
• File:Sun-dial, analemmatic, inscribed, "F e C Engelbrecht, Beraunac in Bohemia 1784", size 6 3/8" x 5 5/8"
• File:Ring sun-dial, brass, for use at latitude 48°, Europe, 1716.
• File:Small brass sun-dial, analemmatic, by Baradelle, Paris, France, 1701-1800 (see note).
• File:Wheel cutting machine with milling cutter, made by Manuel Gutierrez, 1789
• File:Lever watch in gold case, bearing 18 carat hallmark for 1830, "C A P" in case, bar movement with Geneva stop work, gold dial
• File:Chronometer (marine) no.705, with Airy's bar in box, by Tho Earnshaw, London, England, 1810-1900.
• File:Case for chronometer (marine) by Earnshaw no.705, with Airy's bar in box, pt 1 Wooden case with brass gimbal. Maker's label missing from lid of case.
• File:Clock invented by J. Vines Newberry, Berks, for recording sidereal and mean solar times, in upright case, with 2 keys and winder, 1836
• File:'Empire' type world clock for indicating the time around the globe at various longitudes, French, 1909.
• File:Electrically operated clock controller by J. Lund, United Kingdom, 1876-1905.
• File:Two watchmaker's lathes, Lorch type, mounted on wooden base
• File:Watchmaker's drill turn, with whalebone bow.
• File:Sand glass (old sermon glass)
• File:Synchronome self-winding action, by the Synchronome Company Ltd., London, England, 1895. Mounted on wooden base.
• File:Movement of electrical clock by the National Self-winding Clock Co., Bristol, Connecticut, United States, 1898.
• File:Self-winding electric clock in glass case, by the Aron Electricity Meter Company.
• File:Pond self-winding electric clock by Chesters H. Pond, Brooklyn, New York, United States, invented 1881.
• File:Clock with Hipp pendulum (an electric driven clock with Hipp butterfly escapement)
• File:'Pond' electric clock (movement only, no dial), by Self Winding Clock Company, New York, United States, 1905-1913.
• File:Wooden pocket sundial. Horizontal and vertical dials for use at various latitudes on moving style, Germany, 1776-1800 (see note).
• File:Gold-cased Chronometer watch no.728 made by Thomas Earnshaw, 1795-1810
• File:Verge watch in pinchbeck triple case by Dan. Quare, London, no.4559, 1705-1720
• File:Verge watch in silver pair case by Ed. Wrench, Chester, silver dial, 1710-1725
• File:Verge watch in pinchbeck pair case by Thomas Tompion and Edward Banger, no.3435
• File:Verge watch without case by Ralph Gout, no.224, combined with pedometer (incomplete), London, England, 1785-1800.
• File:Verge watch in silver repousse pair case, with decoration of two figures on the back, by Thomas Taylor in Holborn, hall marked (? date), 1690-1710 (verdigris on movement)
• File:Verge watch in silver inner case, tortoiseshell outer case, no. 23, by John Imison, London, England, hall marked, duty paid 1786.
• File:Verge watch in silver case by John Weston, London, no.1842, 3/4 plate movement, A.D.1842
• File:Verge watch in silver pair case by Jos. Dumbill, Prescot, no.416, silver top plate, centre seconds, hall marked, 1800-1834
• File:Verge watch in pinchbeck repousse pair case by Josiah Emery, London, no.797, 1775-1790 (spring broken ? ). It is decorated with a classical scene on the back.
• File:Verge watch in pinchbeck inner case, shagreen outer case, by Thos. Mudge, London, no.31 ( damaged, endstone missing), 1730-1750
• File:Verge watch in silver inner case (outer case missing) by Geo. Graham, London, no.5175. Chester hallmarked 1773, verge broken
• File:Verge watch in silver inner case (outer case missing), silver plate and cock, no. 166, by Thomas Dwerrihouse, Garston, Liverpool, England, hallmarked 1774.
• File:Verge watch in silver pair case by Wm. Finch, Halifax, silver cock, 1755-1770
• File:Verge watch in silver case, no.4399, large balance wheel, calendar, by Rosé, Solothurn, Switzerland, 1780-1810.
• File:Verge watch in gold enamelled case by Le Roy, (eleve de Breguet), no.30279, oriental dial, 1740-1760. The back of the gold case is decorated with a river landscape.
• File:Verge watch in silver octagonal case by Berthoud, Paris, 1735-1790
• File:Cylinder watch in pinchbeck enamelled case, by Josiah Emery, London, no.2438, 1760-1780. The enamel is painted on the back with an image of a man wearing a crown, perhaps religious figure or a monarch.
• File:Cylinder watch in pinchbeck inner case, tortoiseshell (damaged) outer case by L. Kendall, London, no.B and u (endstone missing), 1740-1780
• File:Cylinder watch in silver case by Geo. Graham, London, no.5223, escape wheel arbor broken, chain missing, silver dial
• File:Cylinder watch in silver case by Jno. R. Arnold, London, no.3636, compensated curb, hall marked 1862
• File:Cylinder watch in silver case, no. 1, compensator-acting on curb pins, by John Arnold, London, England, 1771-1800. (Chain broken.)
• File:Cylinder watch in silver pair case, no. 597, by Thomas Mudge and William Dutton, London, England, hall marked 1759.
• File:Cylinder watch in silver case by Thos. Reid, Edinburgh, Scotland, no.2520, (? re-cased), 1795-1805.
• File:Cylinder watch in silver case, flat movement, going barrel. Hall marked 1839, centre seconds
• File:Cylinder watch in silver inner case, tortoiseshell (damaged) outer case, by Barwise, London, no.3275. Hall marked 1803
• File:Cylinder watch by Just Vulliamy, no.n x o, 1720-1780
• File:Cylinder watch in silver case with gold rims by Breguet, no.445, compensating curb pins, " subscription" watch (cap screw missing), 1800-1840
• File:Cylinder watch in silver case by Breguet, no.1350, compensating curb pins and parachute, "subscription" watch, small silver chain attached, 1795-1815
• File:Cylinder watch in enamelled gold case La Croix Geneve, no.5666, gold case, 1805-1820. It is ornately decorated with an image of a lady reading a book painted on the back.
• File:Cylinder watch in gold engraved case by Jodin, Paris, no.352, brass escape wheel, fusee, 1715-1790
• File:Cylinder watch in gold repoussé jewelled case by Moulinié, Bautte and Moynier, Geneva, gold dial, 1810-1840.
• File:Cylinder watch, no. 3478, in silver case, silver automatic dial, by Vaucher, 1785-1790. Damaged, spring broken.
• File:Duplex watch in gilt silver case by Thos. Earnshaw, 119 High Holborn, no.4521. Hall marked 1824 (seconds hand missing, balance staff broken)
• File:Duplex watch in silver hunter case by Molyneux and Sons, no.1368. Hall marked 1830 ( seconds hand missing)
• File:Duplex watch in gilt silver hunter case by Vulliamy, London, no.xx a m. Hall marked 1823
• File:Duplex watch in silver case by James McCabe, London, no.2598. Hall marked 1833
• File:Chronometer watch in silver case by John Arnold and Son, London, no.454/755. Hall marked 1872
• File:Chronometer watch in silver case by J.R. Arnold, Chas Frodsham, no.6530, 3/4 -plate movement, 1820-1833
• File:Chronometer watch in silver case by Thos. Earnshaw, London, no.422 (also 2653), 1800-1834
• File:Chronometer watch in silver case by Thomas Earnshaw, London, no.837 (also 3669). Hall marked 1825
• File:Lever watch in silver case by Thos. Earnshaw, 119 High Holborn, London, no.4776, case hall marked 1831 (glass missing)
• File:Watch in silver inner case and pinchbeck outer case, Debaufre type escapement, by Thos. Harrison, Liverpool 109, England, 1765-1780 (see note).
• File:Watch in silver pair case by James Ryland, Ormskirk, no.646, club-footed verge. Dial marked "John Atherton, Maghull", 1795-1805
• File:Watch in silver case, Debaufre type escapement, curb compensator, maintaining power, by J. S. Magnin, hall marked 1795.
• File:Verge watch with pendulum balance in silver pair repousse case, by Pieter Thijmen, Gouda, 1690-1710. It is decorated with an image of two figures and a flame.
• File:Verge watch in silver pair enamelled repousse case by Viet, Rotterdam, silver dial, calendar, pendulum balance (glass missing), 1705-1715. Enamel is decorated with an image of a man, but it is damaged.
• File:Verge watch in silver pair inner case only, by D.B.D. Neveren, pendulum balance, 1715-1784
• File:Verge watch in silver pair inner case only, by W.I. Ward, London, no.2532, tangent screw regulator (chain missing) case stall marked 1794
• File:Verge watch in pinchbeck case by William Smith, London. Hare and snail, no.9709, 1800-1834
• File:Verge watch in pinchbeck case by Thierry, Caen, France, visible rack regulator, verge broken.
• File:Cylinder watch in silver case, calendar, balance under dial, R.Q., in case. Hall marked 1860
• File:Lever watch, no. 124, in silver gilt case, calendar dials back and front, by Richard Clarke, London, England, 1790-1810.
• File:Geneva lever watch in silver case, no.10943 (in case), independent centre seconds (stop work incomplete), 1840-1900
• File:1/4 Repeater, verge, by Jno. Kentish, London, no.908 in pinchbeck shagreen pair case, 1750-1770.
• File:1/4-repeater, French verge, no. 976, in silver case, by Ferdinand Berthoud, Paris, France, 1775-1790. (Cock screws missing - damaged.)
• File:1/4-repeater, cylinder, going barrel, by Ls. Lacroix, Turin, in gold case, wire gong (1 Janvier 1833 on case), no.8044 (in case), 1815-1833
• File:Repeater, cylinder, going barrel, by Breguet, no.357, Parachute and curb compensator, wire gong, in gold case with small gold(?) chain, 1800-1840
• File:1/4-repeater, English, horizontal, no.3431 (in case), in gold case, hall marked 1913
• File:Repeater watch, cylinder escapement, in silver case by Ellicott, London, no.5083, horizontal, case hall marked 1843, out of order.
• File:Half-quarter repeater watch, cylinder escapement, in silver case, hall marked 1823, by Thos. Earnshaw,119 High Holborn, London, no.4502, 1810-1823. Dumb, cylinder, dial missing
• File:Repeater in silver case, no. 128 (on case) cylinder, by Breguet, Europe, 1795-1805.
• File:Musical repeater in silver case by Breguet, no.225 in case,1795-1815. Cylinder, incomplete, e.g. quarter-snail missing, musical train incomplete etc.
• File:Alarm watch in gold plated case, no. 18595, French verge, bell, by Meuron and Co., Europe, 1771-1800.
• File:Pocket watch in pinchbeck tortoiseshell case, locking plate, verge (minute hand missing), by Nath Barrow, London, England, 1675-1685.
• File:Clock watch, verge escapement, in gold case, plate engraved "Pour Eugenic Ferro in Treviso" French verge ( broken) bell, repeater, dial painted with Father Tissie, 1810-1880
• File:Clock watch, cylinder escapement, in gold case by Breguet no.300, ruby cylinder, over-hanging below bottom pivot, with certificate, 1790-1810
• File:Musical repeater, cylinder escapement, in pinchbeck case, enamelled plaque set in back, no.1860 in case, 8594 under dial, cylinder, incomplete and damaged, dial missing, etc.
• File:Universal pocket sundial, octagonal base, diameter of hour circle 2 7/8-inches, small plumbob, Germany, 1701-1800 (see note).
• File:Cubical sundial, on jointed pillar stand, with compass paper on wood, with brass gnomons. Inscribed "D. Beringer. G.P Seyfried"
• File:Pocket sundial and compass with brass cap, 3 5/8-inch diameter, by Walker and Son, Dublin, Ireland, 1802-1819. For use at latitude 51.5° (see note).
• File:2-day marine chronometer, no. 173, by Lewis Recordon, London, England, 1810-1890.
• File:Fitted case for 2-day marine chronometer by Lewis Recordon, London, no.173 (key missing)
• File:Universal ring dial, brass, 3 5/8-inch outside diameter, Europe, 1701-1800.
• File:Common sand glass, in case
• File:Pocket watch verge escapement movement by Thomas. Tompion, London, England,1690
• File:Verge, centre seconds, by Kenneth Maclennan, London, England, 1778.
• File:Skeleton watch, verge, by Tyler, London, England, 1765-1775.
• File:Cylinder escapement, brass escape wheel, made by George Graham, London, England, 1740-1750.
• File:Cylinder escapement, with small steel wheel, thin movement, by Jeffrys and Jones, London, England, 1780-1790.
• File:Duplex by S. and C. Joyce, 1805-1815
• File:Duplex 'Addison' model, modern, of the type used in the cheap watches of the "Waterbury" class, 1885-1895
• File:Virgule escapement, unsigned, European, 1790-1805.
• File:Lever escapement with crank roller, by M.I. Tobias and Co., about 1810-20
• File:English lever, by Roskell, "banking" on escape wheel arbor, no.32224, 1840-1900
• File:Musical watch, cylinder escapement, about 1790-1800
• File:Small Repeater by Terroux l'aine, Geneva, Switzerland, 1779.
• File:Minute Repeater, cylinder escapement, 1834-1874
• File:Repeater, cylinder escapement, French, fitted with two bells, 1750-1810
• File:Repeater, cylinder escapement, no. 10073, by Robert Roskell, Liverpool, England, 1795-1805.
• File:Early keyless watch mechanism, by Arnold and Dent, 1825-1835
• File:Independent centre seconds, by T. Tarleton, about 1840, with lever escapement, 1835-1845
• File:Chronometer escapement no. 371 by John Arnold, London, England, 1780-90.
• File:Duplex escapement with a double escape wheel, gold balance, quarter repeater, made by Viner and Co., no.2021,1820-1840
• File:Swiss made Duplex, by Grandjean Pere et Fils, with fusee, probably made for Spanish market to copy English work, 1860-1875
• File:Massey's patent modified lever escapement with large balance wheel beating seconds, centre-seconds, no. 11197, by Litherland, Davies and Co., Liverpool, England, 1795-1805.
• File:Eight-day ship's chronometer by George Margetts, London, England, 1790-1808. Made for Capt. Sir Thomas Williams, R.N., with two photographs and two letters.
• File:Fitted mahogany box with one key for eight-day ship's chronometer, by George Margetts, London, England, 1790-1808. Made for Capt. Sir T. Williams, R.N.
• File:Type A 'Bulle' electric clock, no.6160, with glass shade, made in France but sold by British Horo-Electric Ltd., 109 Kingsway, London, WC, England, 1915-1925.
• File:Universal sundial dated 1764, engraved "Filippo et Hover Fratelli De Bianchy 4 No.8, 1764
• File:Clock with train remontoire, glass shade, France, 1801-1900.
• File:Model of a cylinder escapement, 1850-1925
• File:Chronometer movement in brass cage, fitted with dial and hands, lever escapement, Guillaume balance, steel hairspring, in mahogany case with glass top, Europe, c. 1900-1910.
• File:Works of clock (dated 1671) removed from St. Giles Church, Cambridge (received in pieces)
• File:Working model of marine chronometer escapement
• File:Pewter North German oil clock, unsigned, 1750-1900. It indicates the time as the oil burns away, commonly used as bed lights during the night, though it was fairly inaccurate due to shape of oil reservoir.
• File:Model of lever escapement, Unsigned, 1860-1928
• File:Japanese clock (weight missing), unsigned, 1800-1890
• File:Brass lantern clock by Edward Webb, Chewstoke, 1688 (weight missing)
• File:Wooden clock, with foliot type escapement, Germany, 1669 (driving weights missing).
• File:Compensation balance (modified Earnshaw type)
• File:Compensation balance, with Poole's auxiliary
• File:Compensation balance with Kullberg's auxiliary
• File:Compensation balance with Mercer's auxiliary
• File:Guillaume compensation balance
• File:Uncut Invar balance with bi-metallic affixes
• File:Uncut brass balance with bi-metallic affixes
• File:Compensation balance with sliding bi-metallic affixes
• File:Small chronometer ('Arnold 488'), in gimbals, by J. R. Arnold, 1810-1880.
• File:Mahogany case with two keys for small chronometer ("Arnold 488"), in gimbals
• File:Stop watch movement, verge escapement, by J. Stirling, London, England, 1775-1785.
• File:Stop watch movement, verge escapement, by Charles Wilson, London, England, hallmarked 1784.
• File:Repeating movement by Barraud, London, 1780-1810
• File:Swiss chronograph repeater movement, lever escapement, with calendar, unsigned, Switzerland.
• File:Chronograph movement by Arnold and Dent, London, 1830-1840
• File:Swiss independent centre seconds chronograph movement, 1860-1880
• File:Swiss split seconds chronograph, 1900-1950
• File:Inking chronograph by O. Vivier, London, hall mark 1877
• File:Japanese clock, Unsigned, 1800-1890
• File:Japanese clock with two-balance foliot escapement and double strike arrangement, with hood, unsigned, 1801-1900.
• File:Japanese clock, scale type, with bob pendulum and calibrated scale, 1801-1900.
• File:Japanese Clock, with bob pendulum, spring driven, adjustable indicators, enamelled, with hood (one sheet of glass cracked), unsigned, 1600-1800.
• File:R.J. Rudd's free pendulum clock, no.2, 1899
• File:Synclock synchronous electric motor, B.3 200-250 volts, 50 cycles, by Everett, Edgcumbe and Company Ltd., London, England, 1915-1930.
• File:Two-day Marine chronometer, by Thomas Mercer, St Albans, no.12827, in ebony case, 1860-1930
• File:16th century iron chamber-clock
• File:Instrument for ruling clock dials, 19th century
• File:Cylinder sundial or 'Shepherd's dial', for use at latitude 42°. Rough construction. Made in France, 1801-1900 (see note).
• File:Watch movement made by Jean Antoine Lepine, Paris, France, c. 1770-1800.
• File:Lantern clock with anchor escapement, hours on dial divided into quarters, going and striking trains, one hand, by John Drury, London, England, 1640-1700.
• File:Example of the Willis world clock, with winding key (for showing local time in any part of the world), patented by John Henry Willis in 1929, by J. H. Willis and Co., Norwich, England, 1929-1935.
• File:Regulator clock by B.L. Vulliamy, dated 1832
• File:Shortt free pendulum clock, designed by William Hamilton Shortt and made by the Synchronome Company Ltd., 32 and 34 Clerkenwell Road, London, EC, England, c. 1920-1940.
• File:Standard synchronome clock (with dial) fitted with Shortt synchroniser; clock (with dial) presented 1912. Ex: 1912-223; movement and pendulum exchanged for modern movement etc. 11. 3.1935; Synchroniser purchased
• File:Verge stop-watch with centre seconds hand, by Le Roi, 1745-1755 (see note).
• File:Swiss watch, with unusual form of keyless winding mechanism, 1845-1855
• File:Small watchmaker's screw-cutting lathe or fusee engine
• File:Pocket sand-glass in brass case, European, unsigned, 1601-1700.
• File:Watch movement, fitted with stackfreed regulator, unsigned, Germany, 1580-1600.
• File:Portable, ivory column sundial, indicating Italian hours, for use at latitude 43°, (height and diameter) 4 x 1-inches, possibly Italian, by F. F. Stephanus, Europe, 1587.
• File:Japanese table clock, in porcelain case
• File:Japanese lantern clock, with iron movement, fixed dial and rotating hour indicator, 1801-1900
• File:Brass Japanese lantern clock, controlled by balance and spring, with seven weights, one pulley, and driving cord, 1840-1937
• File:Polished wooden hood for brass Japanese lantern clock, 1860-1935
• File:Brass Japanese table clock, spring-driven balance wheel clock, verge escapement
• File:Wooden column sundial, designed for a latitude of 49°, bearing a map of Bavaria, unsigned, Germany, 1651-1725.
• File:Wooden column sundial designed for a latitude of 48°, unsigned, Europe, 1651-1725.
• File:Octagonal Louis XVI silver sundial and compass, 2¾-inches in original fish-skin case, by Baradelle, Paris, France, 1701-1750. For use in range of latitudes 40-60 (see note).
• File:Half-quarter repeating chronometer watch movement by Thos. Earnshaw, 1750-1810.
• File:Swiss lever watch with tourbillon movement, 1850-1910
• File:Half-hunter lever watch with calendar at back giving days of the week and the month, 1840-1880
• File:Quarter-repeating lever chronograph watch, 1905-1915
• File:Portable sundial and perpetual calendar, by Johann Henrich Börner, Germany, 1693.
• File:Oval sundial, folding style, with engraving that resembles a Tudor rose, Europe, 1685-1750 (see note).
• File:Cup sundial made of wood, coloured and gilt, with compass combined, in ebony box, Italian hours, made in Italy, 1601-1700 (see note).
• File:Disk sundial, brass, in case, Italian hours, for use at latitude 43°4', probably Italian, Europe, 1530-1630 (see note).
• File:Rectangular reclining sundial, boxwood, for Italian hours by Hieronymus Vulparia, Florence, Italy, 1592. For use at latitude 42° (Rome) (see note).
• File:Column sundial, height 13-inches, with painted figure of St. Christopher, unsigned, Europe, 1601-1700.
• File:Tablet sundial, ivory and bronze, Italian hours (cracked). One compass needle and glass missing. Vertical dial for use at latitude 42° (Rome). Cup dial for use at latitude 45° (Venice). Made in Italy, 1530-1640 (see note).
• File:Quadrant sundial of ivory, Italian hours, for use at latitude 44°, Italy, 1601-1700.
• File:Brass quadrant sundial, 6½-inch radius, with Italian hours, Europe, 1501-1600 (see note).
• File:Tablet sundial of gilt metal, 'V.S.', by Ulrich Schniep, Munich, Germany, 1580-1589 (no glass in compass). For use at latitude 48° (see note).
• File:Column sundial of ivory, height 3½-inches, French, 1601-1700 (see note).
• File:Universal ring dial, inscribed with names and latitudes of various places in Central America, by Manuel de Ballesteros, probably Spain, for use in Central America, between 1750-1850 (see note).
• File:Universal ring dial, brass, 2 5/8-inch diameter, Germany, 1790-1886 (see note).
• File:Tablet sundial of ivory, 3 x 1 7/8-inches, by Hans Ducher, Nuremberg, Germany, 1537-1632 (see note).
• File:Perpetual calendar, brass, unsigned, England, 1790-1860.
• File:Perpetual calendar, silver, 1 3/8-inch diameter, Germany, 1790-1860.
• File:Small round table-clock with astronomical movements, 2½-inch diameter, by N. Vallin, probably London, 1598-1640.
• File:Four-hour watch glass, a large sand-glass used in ships, 1600-1800
• File:Original free pendulum clock and slave clock, designed by the late Mr. Clement Osborn Bartrum. Uses Siegmund Riefler's patented pendulum design. Made by Whitehorn, Hampstead, London, England, 1912-1922.
• File:English Reifler escapement astronomical clock. Made by Thomas Mercer & Co, St Albans, to the original designs, and under the supervision, of E. T. Cottingham. Exhibited at the first British Empire Exhibition, 1924-1925.
• File:Italian four-way hour glass with wooden frame, 1601-1700
• File:17th century Italian four-way hour glass with brass stand
• File:5" brass octagonal table clock with glass sides, verge escapement, inscribed "David Weber. Aug."
• File:3½-inch brass square table clock, glass sides, verge escapement; unsigned, Europe, 1674-1700.
• File:Sundial, with crescent dials and a perpetual calendar, by Johann Martin, Augsburg, Germany, 1685-1720 (see note).
• File:Gold keyless crystal tourbillon watch by W. Fordsmand, London, 1910
• File:Early watchmaker's lathe or fusee engine, 18th century
• File:'Clinker' electric-mains-driven pendulum clock, in oak case, for 50 cycles, 200-250 volts, by British Thomson-Houston Co. Ltd., United Kingdom, invented c. 1931
• File:Brass universal compass dial by Bithray, Royal Exchange, London, England, 1826-1860 (see note).
• File:Quartz clock equipment, mounted on 6-foot 6-inch standard rack, R.3191, made by the General Post Office Research Station, Dollis Hill, London, England, 1940-1947 (see note).
• File:Repeating watch by Quare, 1705-1715
• File:Bartrum's barometric compensator
• File:Skeleton Wheatstone slave clock on wooden base, complete, 1860-1940
• File:Hexagonal brass table-clock with glass windows, by George Lucenberg, Germany, 1631-1660.
• File:Bracket clock with electrical impulse dial for seconds impulses, of a type invented by Sir Charles Wheatstone (1802-1875), probably made in London, England, 1890-1945.
• File:Japanese pillar clock, with verge escapement and geared balance wheel, with key, 1771-1831.
• File:Wheatstone master clock
• File:Balance-wheel brass lantern clock, with two driving weights and one counterweight, by Thomas Knifton, Cross Keys, Lothbury, London, England, 1645-1655.
• File:Lantern timepiece with alarm (and with cord and chain), by Thomas Knifton, Cross Keys, Lothbury, London, England, 1640-1662.
• File:Geneva lever pocket watch, made by Keat, 1890-1910
• File:Wooden foliot clock of 'Black Forest' type, made in Baden-Wurttemberg, Germany, 1640.
• File:Pulsynetic time transmitter type C7, in special case with movement dropped so as to be visible, by Gent and Company Ltd of Leicester, England. Exchanged in August 1951 with the earlier Pulsynetic transmitter (1913-166).
• File:Gold lever watch 9mm. in diameter, with engine-turned back and enamel dial, the inside of the case stamped "P.M", 1835-1845. With special winding key
• File:Duplex watch movement, 'Late Emery', No 7122 by Louis Recordon, 1800-1820
• File:Centre-seconds stop-watch movement on stand, cylinder escapement, by John Ellicott, London, England, 1790-1810.
• File:Hemispherical sundial, brass. Inscribed: "Hyeronimus Vulpariae Florentinus Faciebat A.D. MDLXXX". On octagonal base, 7 inches wide
• File:Ivory tablet compass sundial; 3 3/4 x 2 3/8 x 7/16-inches. Made by Hans Ducher, Nuremberg, Germany, 1574. (Compass needle and glass missing.) (See note.)
• File:"Karrusel" deck watch by R. Thorneloe of Coventry. Case hall-marked Chester 1897. In fitted wooden box
• File:Augsburg clock with winding key, Germany, 1625-1635.
• File:Verge watch in silver pair case by Johannes van Ceulen of the Hague, 1690-1700.
• File:Table-clock by David Bouquet, London, England, 1600-1634 (see note).
• File:Wrist-watch, 'Memovox' alarm, Jaeger-LeCoultre, Geneva, Switzerland, complete in steel case, 1953.
• File:Automatic Wrist-watch, Jaeger-LeCoultre, Geneva, Switzerland, with reserve power indicator complete in steel case, 1953. Back numbered 564556.
• File:Pocket compass sundial, with Chinese and Arabic numerals, (compass needle missing), made in Korea, 1780-1880.
• File:Single sand-glass in double leather mount. 15 mins. Abbot Horne No.13. Type A.
• File:Multi-stage sand-glass in brass mount. Abbot Horne No.31. Type A, 1740-1840
• File:Single sand-glass in double cylindrical brass mount. Initials IHS engraved. 9 mins. Abbot Horne No.34. Type A. Unsigned, Europe, 1601-1700.
• File:Single sand-glass in ebony mount with ornamental columns and ivory feet. 27 mins. Abbot Horne. No.101. Type A.
• File:Single sand-glass in double cylindrical brass case, 12½ mins, Abbot Horne. No.106. Type A, unsigned, Europe, 1601-1700.
• File:Single sand-glass in silver mount (hall-mark 1799) with initials MB engraved on one end. 4 mins. Abbot Horne. No.33. Type B.
• File:Single sand-glass in wire mount, sounding an alarm, Adjustable to 4 1/2 mins, 1760-1850. Abbot Horne. No.104. Type C.
• File:Single sand-glass in tipping iron mount, of 2.5 mins, 1780-1850. Abbot Horne. No.109. Type C.
• File:Double sand-glass in wooden mount. 14 mins. and 29 mins. Abbot Horne. No.25. Type A, 1780-1880
• File:Double sand-glass in wooden mount. 29 1/2 min. and 57 min. Abbot Horne. No.25. Type C
• File:Medical Pulse-glass. Abbot Horne. No. Type C, 1930-1960
• File:Modern medical pulse-glass of a 1/4 minute. Abbot Horne. No.Type C, 1948
• File:Drum clock, with detachable alarm, about 1600
• File:Cylinder stop-watch by Geo. Graham, No.6296, with two keys on an ornamental chain.
• File:Single sand-glass in wooden mount. 58 mins., 1801-1910. Abbot Horne No.105. Type A
• File:Ship's log-glass in wooden mount. 14 secs. Abbot Horne No.22. Type B
• File:Ship's log-glass in cylindrical brass mount, 14 secs. Abbot Horne No.18. Type B. Unsigned, Europe, 1601-1700.
• File:Single sand-glass in wooden mount with ornamental columns, of 62 mins, 1801-1920. Abbot Horne No.112, Type B.
• File:Single sand-glass in wooden mount with ornamental columns. 27 mins. Abbot Horne No.3. Type B
• File:Single sand-glass in wooden mount. 29 1/2 mins. Abbot Horne No.17. Type C
• File:Set of four sand-glasses, marked 1/4, 2/4, 3/4, and 4/4, dated 1720, in wood and ivory mount
• File:Six-stage half-hour sand-glass of 1600-1630, in metal mount with wooden outer case
• File:French oval alarm pocket watch, by André Pichon, Lyons, France, 1601-1700.
• File:German 16th century iron chamber clock
• File:Italian copper-gilt chamber clock by Camerini of Turin, 1656
• File:Square alarm table timepiece with iron movement, in brass case, unsigned, Germany, 1545-1555.
• File:Oval watch by Richard Jackson, 1625-1635. It is decorated with a Tudor rose design on the back.
• File:Oval, silver 'Puritan' pocket watch with worm regulator for balance-spring, unknown maker, possibly Italian, 1645-1655.
• File:Circular watch with wandering hour-figure and dial highly decorated with figures, by William Crayle, Strand, London, England, 1695-1705.
• File:Cold cathode frequency divider, 50 c.p.s. to one c.p.s. (Constructed from components purchased by Sc.M. from the P.O. Eng. Dept. for
• File:A Bracket clock by Isaac Thuret, made while he was in Paris, France, 1665-1681.
• File:Oval pocket watch with iron movement in brass case, stackfeed controller, unknown maker, Germany, 1574-1600.
• File:English iron lantern clock, with wheel balance, by John Holloway, Market Lavington, Wiltshire, England, 1611.
• File:Pendulum bracket clock, spring driven, with black japanned wooden case by Johannes van Ceulen of the Hague, Netherlands, 1670-1680.
• File:South German cup (scaphe or goblet) sundial dated 1596 for latitude 42 degrees, showing equal, temporal and Italian hours
• File:Azimuth compass sundial by James Ferguson, London, England, 1731-1776. Could also be used as a tablet sundial - string gnomon is missing (see note).
• File:Announcing machine, designed and constructed at the General Post Office Research Station, Dollis Hill, London, NW2, England, 1950-1954. Prototype versions installed in Melbourne and Sydney, 1954.
• File:Shaft with three glass disks for sound tracks
• File:Japanese pillar clock with single foliot balance and iron movement (weight missing), Unsigned, 1800-1890
• File:Synchronous timepiece movement with panel indication of day, hour and minute, unknown maker and provenance, 1915-1940.
• File:Pocket sundial with compass in silvered case, Japan, 1801-1866. Hour lines divided into six equal parts, method used in Japan until 1866 (see note).
• File:Complete Hamilton electric watch movement, also watch-case, strap and one spare battery, designed by Richard Arbib, made by the Hamilton Watch Company, Lancaster, Pennsylvania, United States, 1957.
• File:"Magneta" non-battery electric master clock movement with chains and weights, and small name plate
• File:Driving weight for "Magneta" non-battery electric master clock movement
• File:1 "Magneta" impulse dial
• File:Watchmaker's depth tool
• File:Regulator timepiece employing Grimthorpe's four-legged gravity escapement, in wooden case, regulated to show Greenwich Mean Time for use in an astronomical observatory, by A. V. Parlby, c. 1937.
• File:Electric wall timepiece in mahogany case with hinged, glazed front, made to Alexander Bain's patent, probably London, England, United Kingdom, 1841-1870.
• File:Iron turret clock in wooden frame, with pendulum rod, two stone weights, unknown maker, English, 1675-1685. Removed from St Peter' Church, Martley, Worcestershire, England.
• File:Pendulum rod for iron turret clock in wooden frame, unknown maker, English, 1675-1685. Removed from St Peter' Church, Martley, Worcestershire, England.
• File:Watch fusee cutting engine.
• File:Self-winding watch, lever escapement, No.289, in square silver case, by Loehr, Vienna, Austria, 1875-1885.
• File:Astronomical watch by George Margetts No.3043 in pair case, 1750-1810
• File:Watch in silver pair case, decoration on back of man and ox, repousse, by Henry Jones, London, England, 1685-1700.
• File:Long-case clock with pendulum and weights, by Thomas Tompion, London, England, 1695-1705.
• File:Friesland alarm timepiece, on wooden bracket.
• File:Friesland alarm timepiece case only.
• File:Pendulum, chains, 3 weights and one pulley for Friesland alarm timepiece.
• File:Large quarter-repeating verge watch by Thierry a Caen, No.401, with silver bridge-cock, visible curved rack regulator, 1685-1695. Winding through dial. In silver pierced case with champleve dial
• File:Verge watch with tangent-screw set-up to mainspring, gut line on fusee and no balance-spring. Single hand. Outer case with silver pique, by David Lestourgeon, Rouen, France, 1655-1665.
• File:Reconstruction of Hooke's demonstration of a long pendulum controlled by a watch,1955-1965
• File:Travelling clock by Breguet, France, 1800-1860.
• File:Bracket clock, no. 429, by Thomas Tompion and Edward Banger, London, England. With verge escapement, mock pendulum, strike/silent and regulator dials and pull-quarter repeat. With one door key
• File:Smith's "Everest" automatic wrist-watch
• File:Smith's "Everest" shockproof watch
• File:Square astronomical table-clock movement by George Crody, probably Spain or America, 1675-1700.
• File:Example of the first Rolex "Oyster" waterproof wrist-watch of 1926 (without movement), steel case
• File:Rolex 'Oyster Perpetual' rotor self-winding wrist-watch, lever escapement, in steel case with glass in back, Montres Rolex SA, Geneva, Switzerland, 1931 (see note).
• File:Duplicate of a Rolex Oyster wristwatch of 1960 which remained waterproof at 7 miles depth (without movement). Case back marked "35789 FEET 10908 METRES 21 ROLEX 23.1.60".
• File:Pedestal astronomical clock by Samuel Watson, London, in ebonised case, with one cranked winding key and two door keys. Circa 1695. With 5 additional pieces
• File:Pedestal astronomical clock by Samuel Watson, London, England, in ebonised case, with one cranked winding key and two door keys, 1690-1710.
• File:Cranked winding key and two door keys, for Pedestal astronomical clock by Samuel Watson, London, in ebonised case 1690-1710
• File:Marine chronometer with Brockbanks-Peto cross detent escapement, by Brockbanks, London, England, 1800-1820.
• File:Brass case and hand for marine chronomoter
• File:Gold repeating watch by Breguet, with curb compensator and parachute, 1750-1810
• File:French table clock with visible Brocot escapement and Ellicott type compensated pendulum, 1800-1900
• File:Patent watch by Samuel Smith of Coventry, 1810-1815
• File:Omega Megaquartz 2400 marine chronometer, 1950-1976
• File:Quartz master clock QM 1, with movement by Patek Phillippe, Switzerland, 1965-1975. Supplied by English Clock Systems.
• File:Horizontal watch signed: 'T. Tompion London 3', now with cylinder escapement and dial signed 'Graham' in silver box and tortoiseshell outer case, watch originally by Thomas Tompion, London, England, 1650-1700.
• File:Timex Quartz watch, 1950-1976
• File:Sixteenth century iron chamber clock
• File:Avia quartz crystal watch with LCD movement, 1967-1977
• File:Marine chronometer type 422A, 1976
• File:Ultraquartz "Cybernetic" quartz analogue wristwatch by Longines, Switzerland, c.1969. With seconds hand and date indicator. An example of the first quartz wristwatch of European origin. Case back marked '16' and '228794'.
• File:Seiko quartz watch with date indication, in gold case, numbered on the back 35-9000 and 060058, dial numbered 3502-9000TKT, made1965-1975
• File:Seiko quartz watch with date indication, in stainless steel case, case back numbered 3502-9010 and 120156, dial numbered 3502-9010T, made 1965-1975
• File:Weight-driven shelf regulator by Benjamin Martin, 1765-1775
• File:Cristalonic Solar quartz time computer, 1960-1976
• File:Zenith quartz watch, type 020010471, with both analogue and digital (LED) display, by Zenith Time Co., Andover, Hants, England, 1976 (see note).
• File:Electric master clock, no.663 (seconds pendulum model), by Robert Mann Lowne, 1940-1979.
• File:Slave dial for Lowne electric master clock, by Robert Mann Lowne, 1940-1979.
• File:Carriage clock by Wurtel, Paris, France, c. 1845, with hour and half hour striking, alarm and calendar.
• File:"Haagsche Klokje" by Salomon Coster (1657-59)
• File:Long-case clock by Ahasuerus Fromanteel, London
• File:Regulator clock by Cope and Molyneux with Mudge's gravity escapement (1822-23)
• File:Night clock with painted landscape on dial and painted angels that turn with movement, by Joseph Knibb, London, England, 1675-1685.
• File:Brass components from Byzantine portable universal altitude sundial with geared calendrical device, Middle East, 401-600.
• File:Model of Swiss lever escapement, unsigned, United Kingdom, 1950-1984.
• File:Moving magnet galvanometer with dial inscribed "Greenwich Mean Time". This needle is deflected precisely at each hour, Hunt & Roskell Ltd, jewellers and watchmakers
• File:Altitude sundial, in silver, for latitude 51°30 secs. (London), signed Humfray Colle, in original tooled leather case, by Humfrey Cole, London, England, 1568-1590 (see note).
• File:Copy of a Dwerrihouse skeleton clock with coup-perdu escapement. Made by Thwaites and Reed, London, England, 1973. No. 88 of a limited edition of 100.
• File:Early balance spring watch by Thomas Tompion with 'Regulator' type dial, in silver case, London, England, 1675-79.
• File:Portable universal equinoctial sundial, in brass, signed "A Ryther * Fecit * 1588" with inscription "WILLIAM PAWLEY OWETH THIS SAME IN ANNO DOMINI 1588"
• File:'Tri-Compax' calendar chronograph wristwatch in gold case, by Universal, Geneva, Switzerland, 1960-1986.
• File:Seiko analogue quartz watch with automatic generating system (Cal.7M22), 1970-1988
• File:Electric clock with Hipp toggle switch and directly impulsed horizontal balance wheel. Patented by T J Murday in 1910 and made by the Reason Manufacturing Company Ltd., Brighton. (No 207)
• File:Junghans Mega 1, digital quartz wristwatch synchronised by the radio time signal transmitted from Frankfurt, 1990, case back numbered 294
• File:Mystery clock with synchronous electric movement, by Smiths English Clocks Ltd., London, England, 1930-1940.
• File:Hewlett Packard caesium beam tube type 05061-6077, from a portable atomic clock ( sectioned in workshops)
• File:Seiko 'Kinetic' wrist watch, 1996.
• File:Zeon Tech radio-controlled quartz-crystal analogue wristwatch with digital seconds or day-of-week indication on liquid crystal display. Made in 1996, primarily for German market.
• File:Lorus Tri-Lum light-powered analogue quartz wristwatch, in stainless steel case marked V851 6140 and RZS013P-9, with stainless steel bracelet and LumiBrite dial (which glows for several hours after exposure to light), movement made in Japan in 1997.
• File:Casio F-91W quartz wrist watch with analogue display.
• File:Casio 'illuminator' quartz wrist watch.
• File:Swatch 'Access' quartz wrist watch no. 01013156
• File:Swatch 'AquaChrono' quartz wrist watch no. 8213.
• File:Timex 'Indiglo' ladies quartz wristwatch.
• File:Solar-powered quartz-crystal controlled electronic wrist watch with analogue display, marked 'MC SOLAR', made in 1996.
• File:Digital watch, model VDB-200B-1, with touch screen, back light, stopwatch and address book functions, by Casio Computer Company Ltd., Japan, 1997.
• File:Digital watch model PRT-40E, includes altimeter, barometer and thermometer functions, by Casio Computer Company Limited, Japan, 1998.
• File:Digital watch, with built in infra-red transmitter, used to control household appliances, made by Casio Electronics Company Ltd
• File:Omega Seamaster Professional Chronometer self-winding mechanical wristwatch with stainless steel case and bracelet, type no. 2531.80, serial no. 60265297, water resistant to 300 metres, with helium escape valve for deep dives
• File:Rado DiaStar 'Ceramica' quartz electronic wristwatch type no. 21348172, serial no. 2893578, case and bracelet in black scratch-proof ceramic, sapphire crystal, water resistant to 30 metres
• File:Swatch Skin Watch quartz electronic wristwatch
• File:Quartz crystal controlled marine chronometer made by Patek Philippe, Geneva and supplied by Kelvin Hughes, London, in traditional style mahogany case with hinged and glazed lid, estimated date 1965-1984.
• File:Large clock, designed to hang from the ceiling, with a digital display. The time is set and kept accurate using a Global Positioning System (GPS) receiver which receives time signals from GPS satellites, 1998.
• File:Seiko 'Kinetic Auto Relay' wrist watch, quartz watch with analogue display, powered by electricity generated by the movement of the wrist. Model SMA025, made in Japan, 2000.
• File:Pulsar 'Kinetic' wrist watch, quartz watch with analogue display, powered by electricity generated by the movement of the wrist. Model PUL103, back numbered 030173, made in Japan, 2000.
• File:400-day 'anniversary' clock, brass base with circular glass shade, disc pendulum with 6-pillared gallery, 2 winding keys, numbered 68382, possibly by Jahresuhrenfabrik, Germany, 1898-1915.
• File:'Anniversary' clock with quartz analogue movement and decorative rotating pendulum, set by radio control from MSF Rugby, battery operated, plastic base and shade, made by Staiger, 2000.
• File:Quartz analogue wristwatch by Timex, used to teach children how to tell the time, on elasticated fabric strap, 2000.
• File:Quartz analogue wristwatch, by Accurist, used to teach children how to tell the time, with a 'tell the time' poster, 2000.
• File:Large wheel engine, for cutting the teeth of clock and watch wheels, signed and dated "John Tipping, Whildon Green, 1751". This is the earliest known dated tool from Lancashire, the centre of the manufacture of English horological tools.
• File:French marble two-barrel mantel clock signed by Achille Brocot, striking hours and half hours on one bell, with Brocot escapement and additional dial showing day, date month, phase of the moon and equation of time
• File:Wristwatch with quartz crystal controlled movement and digital light emitting diode display, serial no. 95077, made by Solidev Ltd., New York, USA, unused, 1966-1974
• File:Time recorder by the British Time Recorder Co. Ltd, 149 Farringdon Road, London, EC1, England, 1940-1970.
• File:Sky+ HD box, 2009 (See note )
• File:Microwave oven, Panasonic, 2009 (see note)
• File:Mobile phone, Sony Ericsson, 2009
• File:Engine control unit (ECU) for a Mercedes (model tbc)
• File:TomTomGo 700 GPS receiver unit, 2005 (see note)
• File:DAB radio, Roberts, 2009 (see note)
• File:Astro Galaxy astronomic time switch for controlling street lamps
• File:GPS receiver, model 122980-00, serial no 0950037, Westerstrand Ufrabrik AB, Sweden, 2007-9. Purchased for use with 1999-318 (large digital clock) in Measuring Time gallery display, 2009 (see note).
• File:Marine chronometer; Earnshaw spring detent escapement; movement in brass bowl gimballed in mahogany box; flat engraved and silvered brass dial; blued steel hands. Made in France 1829