Theodolite used for the Principal Triangulation of Great Britain
1791
Gold amulet in the form of a cobra
2000-100 BCE
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
Silver watch with unusual Robin escapement
1792
Marine timekeeper with constant force escapement by Josiah Emery
1792
Guilloché enamel watch displaying solar and sidereal time, by George Margetts
1790
Musical table clock by Thwaites for Barraud
1788
Neolithic flint scraper
4000-2001 BCE
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Watch with spring detent escapement by John Arnold and Son
1788
Half-quarter repeating gold watch by Mudge and Dutton
1791
Richard Arkwright
1790
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
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Telescope by Galileo (replica)
1610; 1923
Rotative Steam Engine by Boulton and Watt, 1788
1788
Isaac Newton’s Reflecting Telescope (replica)
1668; 1924
Model of Gutenberg's Press, 1430
1960-1979
First Public Demonstration of a Montgolfier Balloon, 4th June, 1783.
1783; 1914
Bernard Le Bovier de Fontenelle
1791
Aquatint - sepia toned
1792
Aquatint - sepia toned
1792
Improved Withering Botanic microscope
1790
Thaler coin of Leopold II (Austria-Hungary)
1790
Half-Guinea 'Spade' coin of George III
1790
Spade' coin Guinea of George III
1788
Spade' coin Guinea of George III
1789
Spade' coin Guinea of George III
1790
Spade' coin Guinea of George III
1790
Spade' coin Guinea of George III
1788
Spade' coin Guinea of George III
1789
Roman Coin of Tiberius
30 CE
Spade' Guinea coin of George III
1790
Token - JOHN WILKINSON IRON MASTER
1788
Spade' coin Guinea of George III
1791
Spade' coin Guinea of George III
1791
Roman Coin of Tiberius
30 CE
Petit-Ecu of Three Livres coin of Louis XVI (France)
1791
Red granite drill core
2686-2613 BCE
Joseph Priestley
1788
Baron Scott's Aerostat dirigible a volante, Paris
1789
Engraving, balloon from Dover Castle to Calais
1789
Viewer microscope, with bead lens, in square body
1888-185
NEMA cryptography machine type T-D
1945-50
Méditant sur La Pluraliité des Mondes
1791