Stipple-engraved portrait of Margaret Bryan and two children
1797
King George III's friction machine
1762
George III's apparatus for oblique and compound collision
1762
Double brass stand for bell jars on a brass pillar
1761
model carriage chassis with two axles, 1762
1762
George III's cycloidal pendulum
1762
George III's tidal demonstration model
1762
King George III's central forces machine
1762
George III's pendulum
1762
Deck-watch used by Capt. George Vancouver on board HMS Discovery 1791-5
1791
Pivoted-detent escapement watch by Larcum Kendall
1786
Watch with four outer cases, made by Edward Prior for the Turkish export market
1800
Pivoted-detent escapement watch by John Arnold
1776
Watch movement with spring detent escapement by John Arnold and Son
1787
Flintlock pistol belonging to John Roger Arnold
1770-1780
Deck watch by John Arnold and Son
1790
Spring-detent escapement watch with gold case by John Arnold and Son
1796
'Souscription' watch by Abraham-Louis Breguet
1800
Spring-detent escapement watch with gold case by John Barwise
1800
Spring detent watch by John Arnold, used by Ruth Bellville and family to distribute GMT c.1834-1940
1794
Compass
1800
Repeating clock-watch with dials on front and back by Gautrin, Paris
1780
'Early 'perpetuelle' watch by Abraham-Louis Breguet
1783-1800
Portrait of Benjamin Vulliamy (1747 – 1811)
1770-1800
Gold repoussé watch depicting the Choice of Hercules, by John Ellicott
1767
Cylinder watch with enamelled gold case made for Queen Charlotte
1740-1760
Under-painted horn pair cased watch by George Flote
1800
Quarter-repeating watch by George Graham
1745
Watch with double dial
1760
Portrait of Francois Justin Vulliamy (1712 – 1797)
1760-1790
Lever escapement watch by Josiah Emery
1792
Lever escapement watch by John Grant
1795
Repeating watch with unusual escapement by Abraham-Louis Breguet
1795
Watch movement with remontoir and two balance springs by Thomas Mudge
1755
Triple-cased quarter-repeater watch by Paul du Pin
1739
A skeleton clock designed to represent the terrestial globe by Henry Gratte
1800
Oil painting portrait of George Graham, 1740-1749
1740-1749
Small lantern clock with alarm signed George Graham
1750-1760
Watch with enamel portrait of the actor David Garrick
1750-1799
Verge watch in Staffordshire enamelled case by Ann Phillips
1790
Musical table clock by Thwaites for Barraud
1767
Chronometer movement by John Arnold & Son
1795
Eight-day marine chronometer by John Arnold & Son
1795
Small musical table clock
1775-1799
Quarter repeating watch by Ellicott, London
1765-1775
Turret clock movement by William Smith
1750
Pedometer by Spencer and Perkins
1775-1800
Portrait of Benjamin Gray (1676 – 1764)
1745-1755
Silver watch by Brockbanks
1790
Silver watch with unusual Robin escapement
1792