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
Watch movement with spring detent escapement by John Arnold and Son
1787
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
Musical table clock by Thwaites for Barraud
1788
Silver watch with unusual Robin escapement
1792
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
Marine chronometer movement by Brockbanks
1787
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
Model of Gutenberg's Press, 1430
1960-1979
Isaac Newton’s Reflecting Telescope (replica)
1668; 1924
First Public Demonstration of a Montgolfier Balloon, 4th June, 1783.
1783; 1914
Silver medal
1790
Bronze medal to commemorate Louis XVI and the National Assembly
1789
Yellow metal (copper ?) medal, Deans medal of Pari
1787
Medal, silver, commemorating Edmond-Claude Bourru
1788
Metal trade token struck by the revolutionary government at Paris
1792
Circular silver medal
1787
Silver medal commemorating the execution of Louis XVI and Marie Antoinette, Germany, 1793
1793
Silver medal to commemorate Philippe Joseph
1793
Silver medal
1789
Medal, silver, obverse strike only
1676; 1840-1865
Circular gilt medal
1790
Bronze medal to commemorate Marat, France, 1793
1793
Medal, silvered, Hippocrates
1789
Coalbrookdale halfpenny token, 1792.
1792
Halfpenny token
1793
Birmingham halfpenny token, 1793
1793
Norwich halfpenny for haberdasher, 1793
1793
Leek halfpenny token for silk, 1793
1793
Manchester halfpenny token
1793
Print: etching
1787
Bernard Le Bovier de Fontenelle
1791
Aquatint - sepia toned
1792
Aquatint - sepia toned
1792
Coalbrookdale halfpenny token
1793