Gold amulet in the form of a cobra
2000-100 BCE
Mezzotint portrait of Benjamin Franklin
1762
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
George III's weighted cylinder
1762
model carriage chassis with two axles, 1762
1762
George III's tidal demonstration model
1762
King George III's friction machine
1762
Unweighted cylinder in frame
1762
George III's cycloidal pendulum
1762
George III's apparatus for oblique and compound collision
1762
Freud electronic laughing ball
1990-96
Neolithic flint scraper
4000-2001 BCE
Mahogany cross-piece for an air pump
1761
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
George III's compound engine
1762
George III's clockwork bell
1761
George III's philosophical table
1761-1762
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
Two Reales of Carlos III
1761
Two Reales of Carlos III
1761
Two Reales of Carlos III
1761
Two Reales of Carlos III
1761
Roman Coin of Tiberius
30 CE
Quarter-Sovereign coin of George III
1762
Quarter-Guinea coin of George III
1762
Roman Coin of Tiberius
30 CE
Red granite drill core
2686-2613 BCE
Portable horizontal sundial in slate
1762
Viewer microscope, with bead lens, in square body
1888-185
NEMA cryptography machine type T-D
1945-50
Calf's Head Weight
1370-1350 BCE; 1931
Plaster replica of black Basalt Cubit Rod 531
1931; 250 BCE
Plaster replica of IBEX weight
1370-1350 BCE; 1931
Black stone container or palette
2000-1000
Plaster model of tomb plaque
100 BCE-300 CE; 1890-1920
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
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Ancient Egyptian flint saw, replica
circa 3000 BCE
Reversible axe on adze, green stone blade, North Papua (Astrolabe Bay)
2000 BCE