Theodolite used for the Principal Triangulation of Great Britain
1791
Medal, Blanchard's balloon ascent, Nuremberg, Germany, 1787
1785
‘Medico-Electrical Machine’ by Nairne and Blunt
1782-1793
Lunardi's second balloon ascending from St. George's Fields, 1785
1785-1790
Satirical print of a failed balloon launch from Foley House, London in 1784
1784
100 Link Steel Surveying Chain, 1784.
1784
Deck-watch used by Capt. George Vancouver on board HMS Discovery 1791-5
1791
Pivoted-detent escapement watch by Larcum Kendall
1786
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
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
Medal commemorating the Montgolfier unmanned balloon ascent
1783
Medal commemorating balloon flight of Blanchard at Frankfurt
1785
Gold amulet in the form of a cobra
2000-100 BCE
Musical table clock by Thwaites for Barraud
1788
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
Gold minute repeating watch by Abraham-Louis Breguet
1784
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
Gold lever escapement watch by John Leroux
1785
Portrait oil painting of John Arnold and family 1783-1787
1783-1787
Parts from a constant-force escapement by Thomas Mudge
1785
Marine chronometer movement by Brockbanks
1787
Neolithic flint scraper
4000-2001 BCE
Richard Arkwright
1790
Mrs. Sage
1785
Isaac Newton’s Reflecting Telescope (replica)
1668; 1924
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Telescope by Galileo (replica)
1610; 1923
Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model.
1642-1649 (original); 1883 (model)
Rotative Steam Engine by Boulton and Watt, 1788
1788
Model of the Asklepion at Epidaurus, Greece, 1936
1936
Collycroft worsted textile mill, 1790
1790
Ancient Egyptian flint saw, replica
circa 3000 BCE
Barton Aqueduct
circa 1793
Board of Agriculture, admittance to Honorary Membership
1793
Engraving: Project d'une Travee en Fer de 300 pieds d'ouverture
1783
Engraving, Portrait of Sir Francis Bacon
1784
John Whitehurst F.R.S.
1788
Trade token
1791
Bronze medal commemorating King Charles III of Spain
1783