Gold amulet in the form of a cobra
2000-100 BCE
Square signed "J.Ramsden, 1757"
1757
George III's weighted cylinder
1762
Unweighted cylinder in frame
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
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
Freud electronic laughing ball
1990-96
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Neolithic flint scraper
4000-2001 BCE
Model of Hooke's universal joint
1760
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
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
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
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Replica of Islamic Astrolabe
1066; 1876
Viewer microscope, with bead lens, in square body
1888-185
NEMA cryptography machine type T-D
1945-50
Albarello vase
1762
Excavated neolithic flint perhaps used for trephination
3000-1500
copy of a gold cup.
3000-2000 BCE
Wooden backstaff.
1759
Reversible axe on adze, green stone blade, North Papua (Astrolabe Bay)
2000 BCE
Brass medal
1758
Circular silver medal
1761-1762
Bronze prize medal
1758
Two Reales of Carlos III
1761
Two Reales of Carlos III
1761
Two Reales of Carlos III
1761