Gold amulet in the form of a cobra
2000-100 BCE
George III's pendulum
1762
King George III's central forces machine
1762
Etching of an electrically powered garden
1755
Glass bell jar with a brass collar
1761
Double brass stand for bell jars on a brass pillar
1761
Square signed "J.Ramsden, 1757"
1757
George III's weighted cylinder
1762
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
Unweighted cylinder in frame
1762
Clarke's Hydrometer (c. 1755)
1755
Expedition Crane
1764
George III's cycloidal pendulum
1762
George III's apparatus for oblique and compound collision
1762
Cutter, Alert
1755
Replica of 16th century German 'Hund' wagon, 1986
1986 (replica); 1501-1600 (original)
Mahogany cross-piece for an air pump
1761
George III's double-barrelled 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
Model of Hooke's universal joint
1760
Silver microscope by George Adams, c. 1761.
1763
George III's philosophical table
1761-1762
Altazimuth theodolite by Benjamin Cole & Son
1755-1765
George III's glass sphere
1761
George III's inclined plane and Horse-way
1762
George III's Magdeburg hemispheres
1761
Magnetic toy by George Adams
1765
George III's model crriage body
1762
Mahogany board with round ends and two short brass pillars
1761
Cutter, Alert
1755
Two brass pillars for an air pump
1761
Freud electronic laughing ball
1990-96
Neolithic flint scraper
4000-2001 BCE
Viewer microscope, with bead lens, in square body
1888-185
Boxfoot microscope with ball-socketed pillar
1755
Bow spectacle case
1760-1764
Scarificator with sixteen lancets
1756
Watch with double dial
1760
Paul Werner, liberator of Colberg
1760
Circular silver medal
1764
Circular gold(?) medal, awarded to I. Ponsonby as
1765
Bronze medal,Catherine the Great
1763
Alabaster kohl pot
2000-1350
Harpenden pocket stadiometer sent out to Ludlow Boys' School as part of a series of nationwide measurements
1972-3
NEMA cryptography machine type T-D
1945-50