Theodolite used for the Principal Triangulation of Great Britain
1791
'Dutch forgery' watch signed John Wilter
1780
Seal die, Ashby De La Zouch Canal Company
1794
Divers Projets
1798
Stipple-engraved portrait of Margaret Bryan and two children
1797
Repeating clock-watch with dials on front and back by Gautrin, Paris
1780
Repeating watch with unusual escapement by Abraham-Louis Breguet
1795
Silver watch with unusual Robin escapement
1792
Gold and enamel watch by Robert Robin
1785-1795
Electrical chimes by George Adams
1781-1790
Gold amulet in the form of a cobra
2000-100 BCE
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
‘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
Spring-detent escapement watch with gold case by John Arnold and Son
1796
Spring detent watch by John Arnold, used by Ruth Bellville and family to distribute GMT c.1834-1940
1794
Lever escapement watch by Josiah Emery
1792
Lever escapement watch by John Grant
1795
Verge watch in Staffordshire enamelled case by Ann Phillips
1790
Chronometer movement by John Arnold & Son
1795
Eight-day marine chronometer by John Arnold & Son
1795
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
Gold and enamel watch by Andrews
1785-1795
Musical table clock by Thwaites for Barraud
1788
Achromatic doublet lens with a focal length of 52 inches
1780
Richard Arkwright
1790
Mrs. Sage
1785
Gold minute repeating watch by Abraham-Louis Breguet
1784
Watch incorporated into a ring
1785-1795
Neolithic flint scraper
4000-2001 BCE
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
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Moon globe by John Russell;England;1797
1797
Watch with spring detent escapement by John Arnold and Son
1788
Half-quarter repeating gold watch by Mudge and Dutton
1791
Terrestrial globe by John and William Cary, London
1790-1794
Gold lever escapement watch by John Leroux
1785