Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Telescope by Galileo (replica)
1610; 1923
Arkwright's prototype spinning machine, 1769.
1769
Freud electronic laughing ball
1990-96
Silver microscope by George Adams, c. 1761.
1763
Atmospheric Engine by John Smeaton, 1772
1772 (original); 1919 (model)
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
George III's philosophical table
1761-1762
Gold amulet in the form of a cobra
2000-100 BCE
Neolithic flint scraper
4000-2001 BCE
Marine chronometer by John Arnold
1771
George III's pendulum
1762
Section of lightning conductor from St Paul’s cathedral
1769
Mural arc made for King George III
1770
George III's compound engine
1762
King George III's friction machine
1762
George III's double-barrelled air pump
1761
Mezzotint portrait of Benjamin Franklin
1762
Wood moulding plane, dated 1771
1771
Magnetic toy by George Adams
1765
Mahogany cross-piece for an air pump
1761
George III's Magdeburg hemispheres
1761
King George III's central forces machine
1762
George III's glass sphere
1761
model carriage chassis with two axles, 1762
1762
George III's cycloidal pendulum
1762
Watch with double dial
1760
George III's tidal demonstration model
1762
Mezzotint: Portrait of John Arnold
1770
George III's inclined plane and Horse-way
1762
Model of Hooke's universal joint
1760
Perspective drawing apparatus, incomplete, in integral mahogany case
1760-1770
Glass bell jar with a brass collar
1761
George III's clockwork bell
1761
Expedition Crane
1764
George III's weighted cylinder
1762
Dial micrometer, 1760-1772.
1760-1772
Keys to the Clockmakers Company chest
1766
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
Gold watch by Raymont
1772
George III's model crriage body
1762
Two brass pillars for an air pump
1761
Mahogany board with round ends and two short brass pillars
1761
Lodestone in silver case
1762
Terrestrial Globe by George Adams
1766
King George III's archimedean screw
1762
Grave marker, grave '221'
1860-1920
Barograph clock by Alexander Cumming
1766