Mezzotint portrait of Benjamin Franklin
1762
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
Glass bell jar with a brass collar
1761
George III's apparatus for oblique and compound collision
1762
Double brass stand for bell jars on a brass pillar
1761
George III's cycloidal pendulum
1762
George III's pendulum
1762
Gold amulet in the form of a cobra
2000-100 BCE
King George III's friction machine
1762
model carriage chassis with two axles, 1762
1762
George III's tidal demonstration model
1762
King George III's central forces machine
1762
Telescope by Galileo (replica)
1610; 1923
George III's glass sphere
1761
Mahogany cross-piece for an air pump
1761
George III's inclined plane and Horse-way
1762
Mahogany board with round ends and two short brass pillars
1761
Two brass pillars for an air pump
1761
Neolithic flint scraper
4000-2001 BCE
Freud electronic laughing ball
1990-96
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
George III's Magdeburg hemispheres
1761
George III's compound engine
1762
George III's model crriage body
1762
George III's clockwork bell
1761
George III's double-barrelled air pump
1761
George III's philosophical table
1761-1762
Copy of a bloodletting measuring device, England, 1977
1977; 1204-1206
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model.
1642-1649 (original); 1883 (model)
Model of the Asklepion at Epidaurus, Greece, 1936
1936
Copy of clay liver used for divination, original from Babylon, 2050-1750 BCE
2050-1750 BCE
Replica of Lightning Conductor by Benjamin Franklin, United States, 1730-1760
1730-1760 (original); 1931-1939 (replica)
Isaac Newton’s Reflecting Telescope (replica)
1668; 1924
A Description of an Apparatus for explaining the Principles of Mechanicks
1762
Engraving of Graving dock
1840-160
Polished stone (Chert) weight from excavations at Mohenjodaro
circa 3000 BCE
Pottery vase found at Nihawnad, Persia
3000 BCE
Polished stone (Chert) weight from excavations at Mohenjodaro
circa 3000 BCE
Polished stone (Chert) weight from excavations at Mohenjodaro
circa 3000 BCE
Polished stone (Chert) weight from excavations at Mohenjodaro
circa 3000 BCE
Polished stone (Chert) weight from excavations at Mohenjodaro
circa 3000 BCE
Persian pottery measure
circa 3000 BCE
Persian pottery measure
circa 3000 BCE
One of two Sumerian solid cylindrical weights
circa 2000 BCE
Replica of Roman equal-arm balance, from Pompeii, 79 AD
1-79 CE; before 1914
Circular silver medal
1761-1762
Replica of Roman steelyard, from Pompeii, 79 AD
1-79 CE; before 1914
Calf's Head Weight
1370-1350 BCE; 1931