Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Theodolite used for the Principal Triangulation of Great Britain
1791
Arkwright's Water Frame
1775
'Dutch forgery' watch signed John Wilter
1780
Arkwright's Water Frame, 1775
1775
Seal die, Ashby De La Zouch Canal Company
1794
Mezzotint portrait of Benjamin Franklin
1762
Divers Projets
1798
Stipple-engraved portrait of Margaret Bryan and two children
1797
Repeating clock-watch with dials on front and back by Gautrin, Paris
1780
Repeating watch with unusual escapement by Abraham-Louis Breguet
1795
Gold and enamel watch by Robert Robin
1785-1795
Medal, Blanchard's balloon ascent, Nuremberg, Germany, 1787
1785
Wax male figure showing the veins and some organs of the body, Florence, Italy, 1776-1780
1776-1780
Wax male figure showing the arteries of the body, Florence, Italy, 1776-1780
1776-1780
Wax male figure showing the muscles of the body
1776-1780
Gold amulet in the form of a cobra
2000-100 BCE
Spoon with folding handle
1778
Portrait of Francois Justin Vulliamy (1712 – 1797)
1760-1790
Small musical table clock
1775-1799
Medal commemorating the Montgolfier unmanned balloon ascent
1783
Medal commemorating balloon flight of Blanchard at Frankfurt
1785
‘Medico-Electrical Machine’ by Nairne and Blunt
1782-1793
Mural arc made for King George III
1770
Lunardi's second balloon ascending from St. George's Fields, 1785
1785-1790
Satirical print of a failed balloon launch from Foley House, London in 1784
1784
100 Link Steel Surveying Chain, 1784.
1784
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
Section of lightning conductor from St Paul’s cathedral
1769
Glass bell jar with a brass collar
1761
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
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
Spring detent watch by John Arnold, used by Ruth Bellville and family to distribute GMT c.1834-1940
1794
Gold repoussé watch depicting the Choice of Hercules, by John Ellicott
1767
Watch with double dial
1760
Lever escapement watch by Josiah Emery
1792