Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Rawhide bag for storing cinchona bark
1777-1785
Refracting telescope with achromatic lens, made by the Dollond family
1760-1775
Arkwright's Water Frame, 1775
1775
Replica of Islamic Astrolabe
1066; 1876
Mezzotint portrait of Benjamin Franklin
1762
Etching of an electrically powered garden
1755
Repeating clock-watch with dials on front and back by Gautrin, Paris
1780
Medal commemorating the Montgolfier unmanned balloon ascent
1783
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
Cutter, Alert
1755
Demainbray's Archimedean screw
1752
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Glass bell jar with a brass collar
1761
George III's apparatus for oblique and compound collision
1762
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
Watch with double dial
1760
Gold amulet in the form of a cobra
2000-100 BCE
Spoon with folding handle
1778
Porcelain eyebath
1775-1785
Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model.
1642-1649 (original); 1883 (model)
Medal, Blanchard's balloon ascent, Nuremberg, Germany, 1787
1785
Medal commemorating balloon flight of Blanchard at Frankfurt
1785
Pocket microscope by Jeremiah Sisson
1752
Mural arc made for King George III
1770
Satirical print of a failed balloon launch from Foley House, London in 1784
1784
100 Link Steel Surveying Chain, 1784.
1784
Clarke's Hydrometer (c. 1755)
1755
Section of lightning conductor from St Paul’s cathedral
1769
Square signed "J.Ramsden, 1757"
1757
King George III's friction machine
1762
Double brass stand for bell jars on a brass pillar
1761
George III's tidal demonstration model
1762
King George III's central forces machine
1762
Pivoted-detent escapement watch by John Arnold
1776
Gold repoussé watch depicting the Choice of Hercules, by John Ellicott
1767
Watch movement with remontoir and two balance springs by Thomas Mudge
1755
Quarter repeating watch by Ellicott, London
1765-1775
Demainbray's convex mirror
1752
Engraving of a demonstration to compare lightning conductor designs
1778-1780
Demainbray's model of a camera obscura
1752
Gold minute repeating watch by Abraham-Louis Breguet
1784
Medal commemorating the first manned balloon flights
1784