Mezzotint portrait of Benjamin Franklin
1762
Etching of an electrically powered garden
1755
Clarke's Hydrometer (c. 1755)
1755
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
Square signed "J.Ramsden, 1757"
1757
Glass bell jar with a brass collar
1761
King George III's friction machine
1762
George III's apparatus for oblique and compound collision
1762
Double brass stand for bell jars on a brass pillar
1761
model carriage chassis with two axles, 1762
1762
George III's cycloidal pendulum
1762
George III's tidal demonstration model
1762
King George III's central forces machine
1762
George III's pendulum
1762
Watch movement with remontoir and two balance springs by Thomas Mudge
1755
Expedition Crane
1764
Cutter, Alert
1755
Watch with double dial
1760
Gold amulet in the form of a cobra
2000-100 BCE
Freud electronic laughing ball
1990-96
Mahogany cross-piece for an air pump
1761
George III's Magdeburg hemispheres
1761
George III's inclined plane and Horse-way
1762
George III's compound engine
1762
George III's model crriage body
1762
Silver microscope by George Adams, c. 1761.
1763
Mahogany board with round ends and two short brass pillars
1761
Two brass pillars for an air pump
1761
George III's clockwork bell
1761
George III's double-barrelled air pump
1761
Pedometer by Benjamin Grey
1755
Quarter-repeating watch by Thomas Mudge
1755
George III's philosophical table
1761-1762
Altazimuth theodolite by Benjamin Cole & Son
1755-1765
Magnetic toy by George Adams
1765
George III's glass sphere
1761
Cutter, Alert
1755
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Model of Hooke's universal joint
1760
Neolithic flint scraper
4000-2001 BCE
Model of the Asklepion at Epidaurus, Greece, 1936
1936
Copy of Roman artificial leg, London, England, 1905-1915
300 BCE; 1905-1915
Theorbo, a stringed musical instrument
1762
Portable horizontal sundial in slate
1762
Mezzotint. Portrait of John Dollond. F.R.S. by J.R
1761
Bronze medal
1763
Chinese dotchin in case c. 1760.
1755-1765
Two Reales of Carlos III
1761
Two Reales of Carlos III
1761