Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Arkwright's Water Frame
1775
Theodolite used for the Principal Triangulation of Great Britain
1791
'Dutch forgery' watch signed John Wilter
1780
Arkwright's Water Frame, 1775
1775
Mezzotint portrait of Benjamin Franklin
1762
George III's weighted cylinder
1762
Unweighted cylinder in frame
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 pendulum
1762
Flintlock pistol belonging to John Roger Arnold
1770-1780
Repeating clock-watch with dials on front and back by Gautrin, Paris
1780
Watch with double dial
1760
Portrait of Francois Justin Vulliamy (1712 – 1797)
1760-1790
Silver watch with unusual Robin escapement
1792
Electrical chimes by George Adams
1781-1790
Gold amulet in the form of a cobra
2000-100 BCE
Spoon with folding handle
1778
Porcelain eyebath
1775-1785
Medal commemorating the Montgolfier unmanned balloon ascent
1783
Medal, Blanchard's balloon ascent, Nuremberg, Germany, 1787
1785
Medal commemorating balloon flight of Blanchard at Frankfurt
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
‘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
Section of lightning conductor from St Paul’s cathedral
1769
King George III's friction machine
1762
George III's tidal demonstration model
1762
King George III's central forces machine
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
Deck watch by John Arnold and Son
1790
Gold repoussé watch depicting the Choice of Hercules, by John Ellicott
1767
Lever escapement watch by Josiah Emery
1792
Verge watch in Staffordshire enamelled case by Ann Phillips
1790
Quarter repeating watch by Ellicott, London
1765-1775
Silver watch by Brockbanks
1790
Marine timekeeper with constant force escapement by Josiah Emery
1792
Guilloché enamel watch displaying solar and sidereal time, by George Margetts
1790
Rawhide bag for storing cinchona bark
1777-1785