Replica of Islamic Astrolabe
1066; 1876
Deck-watch used by Capt. George Vancouver on board HMS Discovery 1791-5
1791
Deck watch by John Arnold and Son
1790
Lever escapement watch by Josiah Emery
1792
Verge watch in Staffordshire enamelled case by Ann Phillips
1790
Silver watch by Brockbanks
1790
Marine timekeeper with constant force escapement by Josiah Emery
1792
Guilloché enamel watch displaying solar and sidereal time, by George Margetts
1790
Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model.
1642-1649 (original); 1883 (model)
Silver watch with unusual Robin escapement
1792
Gold amulet in the form of a cobra
2000-100 BCE
Richard Arkwright
1790
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Theodolite used for the Principal Triangulation of Great Britain
1791
Half-quarter repeating gold watch by Mudge and Dutton
1791
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
Silver medal to commemorate N.J.G. Leiden Frost
1793
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
Box and weights for money changer's scales
1790
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
Crossing for Edge Rails, 1793.
1793
Physionotrace of Madam Roland
1793
Silver medal commemorating 100th birthday of Cornelia Bierens
1790
Silver medal
1790
Bronze medal to commemorate Marat, France, 1793
1793
Improved Withering Botanic microscope
1790
Haystack Steam Boiler, with accessories
1791