Perspective drawing apparatus, incomplete, in integral mahogany case
1760-1770
Section of lightning conductor from St Paul’s cathedral
1769
Gold amulet in the form of a cobra
2000-100 BCE
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
Expedition Crane
1764
Mural arc made for King George III
1770
George III's pendulum
1762
King George III's central forces machine
1762
Glass bell jar with a brass collar
1761
Double brass stand for bell jars on a brass pillar
1761
model carriage chassis with two axles, 1762
1762
Mezzotint portrait of Benjamin Franklin
1762
George III's tidal demonstration model
1762
King George III's friction machine
1762
George III's cycloidal pendulum
1762
George III's apparatus for oblique and compound collision
1762
Mezzotint: Portrait of John Arnold
1770
Freud electronic laughing ball
1990-96
Dial micrometer, 1760-1772.
1760-1772
Wood moulding plane, dated 1771
1771
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Magnetic toy by George Adams
1765
Atmospheric Engine by John Smeaton, 1772
1772 (original); 1919 (model)
Neolithic flint scraper
4000-2001 BCE
Arkwright's prototype spinning machine, 1769.
1769
Model of Hooke's universal joint
1760
Octagonal wooden telescope with slot down one side and moveable eyepice
1772-1773
Mahogany cross-piece for an air pump
1761
George III's compound engine
1762
George III's clockwork bell
1761
George III's philosophical table
1761-1762
Silver microscope by George Adams, c. 1761.
1763
George III's glass sphere
1761
George III's inclined plane and Horse-way
1762
George III's model crriage body
1762
Mahogany board with round ends and two short brass pillars
1761
Two brass pillars for an air pump
1761
George III's double-barrelled air pump
1761
George III's Magdeburg hemispheres
1761
Oil paintings
1769
Oil paintings
1773
Oil paintings
1774
Transit telescope
1770
Theorbo, a stringed musical instrument
1762
Wooden backstaff or Davis quadrant made by John Gilbert on Tower Hill
1730; 1967
Glass bulb, with collar, plug, tap and circular base plate
1761
Harpenden pocket stadiometer sent out to Ludlow Boys' School as part of a series of nationwide measurements
1972-3
Plano-convex brick, Ubaid, Iraq, c 2500 BC.
2500 BCE
Length of red silk ribbon worn as a belt to promote general good health
1880-120