Replica of Islamic Astrolabe
1066; 1876
Medal commemorating the Montgolfier unmanned balloon ascent
1783
Medal, Blanchard's balloon ascent, Nuremberg, Germany, 1787
1785
Medal commemorating balloon flight of Blanchard at Frankfurt
1785
Satirical print of a failed balloon launch from Foley House, London in 1784
1784
100 Link Steel Surveying Chain, 1784.
1784
Pivoted-detent escapement watch by Larcum Kendall
1786
Watch movement with spring detent escapement by John Arnold and Son
1787
Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model.
1642-1649 (original); 1883 (model)
Gold amulet in the form of a cobra
2000-100 BCE
Gold minute repeating watch by Abraham-Louis Breguet
1784
Medal commemorating the first manned balloon flights
1784
Medal commemorating the Montgolfier unmanned balloon ascent
1783
Medal, 'Le Flesselles' Montgolfier balloon flight, Lyon, France, 19 January 1784
1784
Medal, commemorating the first balloon ascents in Italy
1784
Mrs. Sage
1785
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Gold lever escapement watch by John Leroux
1785
Parts from a constant-force escapement by Thomas Mudge
1785
Marine chronometer movement by Brockbanks
1787
Portrait oil painting of John Arnold and family 1783-1787
1783-1787
Neolithic flint scraper
4000-2001 BCE
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Isaac Newton’s Reflecting Telescope (replica)
1668; 1924
Model of the Asklepion at Epidaurus, Greece, 1936
1936
Replica of Lightning Conductor by Benjamin Franklin, United States, 1730-1760
1730-1760 (original); 1931-1939 (replica)
Model of a Phoenician bireme ship
1845-1964
Egyptian weight, 12th Dynasty
circa 1800 BCE
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
Stella Projection Television Receiver, Type ST1481
1950-159
Roman stone water main
30
Replica of Roman equal-arm balance, from Pompeii, 79 AD
1-79 CE; before 1914
Medal, silver, commemorating some operation for the King by Johann Chr. Ant. Theden
1787
Circular silver medal
1787
Circular silver medal
1783
Replica of Roman steelyard, from Pompeii, 79 AD
1-79 CE; before 1914
Calf's Head Weight
1370-1350 BCE; 1931
Plaster replica of black Basalt Cubit Rod 531
1931; 250 BCE
Bronze probe(?), twisted stem, Romano-Egyptian
20-500
Plaster replica of IBEX weight
1370-1350 BCE; 1931
Olive ended probe, bronze, Romano-Egyptian
20-500
Strigil hanger, bronze, Roman, from Luxor
20-400