Original preparation of quinine by Pelletier and Caveton
1820
Freud electronic laughing ball
1990-96
Richard Grindall's combined knife and fork, Europe, 1795-1820
1795-1820
Orrery clock with a glass celestial globe
1795-1805
Marine chronometer by John Arnold and Son
1795
Gold amulet in the form of a cobra
2000-100 BCE
Marine chronometer by Brockbanks
1802
Marine chronometer by John Arnold
1802
Copy of Chamberlen obstetric forceps
1813
Neolithic flint scraper
4000-2001 BCE
Marine chronometer by Thomas Earnshaw
1795-1805
Watch and compass by Benjamin Webb
1799
Chronometer in Gold Case by Thomas Earnsham, 1795-1810
1795-1810
Repeating watch with unusual escapement by Abraham-Louis Breguet
1795
Small screw-cutting device or fusee engine for clock-maker's use
circa 1800
Deck-watch used by Capt. George Vancouver on board HMS Discovery 1791-5
1791
Clock-watch by Daniel De St Leu
1797
Gold watch by John Gibson, Royal Exchange
1808
Terrestrial globe by John and William Cary, London
1790-1794
Spring-detent escapement watch with gold case by John Arnold and Son
1796
Automaton watch by Jean Robert Soret
1812
Lever escapement watch by Josiah Emery
1792
Eight-day marine chronometer by Barrauds, London
1816
Deck watch by John Arnold and Son
1790
Lever escapement watch by John Grant
1795
Letter opener with calendar and map, 1893-1894
1893-4
A skeleton clock designed to represent the terrestial globe by Henry Gratte
1800
Watch with Prest's keyless winding by John Roger Arnold
1821
Quarter-repeating gold watch by Abraham-Louis Breguet
circa 1808
Watch with chaff-cutter escapement by John Grant
1804
Watch movement by John Grant
1800
Millwright's measuring tool
around 1790
Quarter-repeating gold watch by Abraham-Louis Breguet
1801-1819
Compass
1800
Piece of wood, one side partly cut out
1790-1819
Silver Regency tripod mustard pot
1811-1812
Verge watch in Staffordshire enamelled case by Ann Phillips
1790
Gold watch by Robert Roskell
1814
'Souscription' watch by Abraham-Louis Breguet
1800
Box containing minerals and mixing sticks
1790-1819
Gold watch by Recordon
1807
Marine timekeeper with constant force escapement by Josiah Emery
1792
Set of 7 square brass grain weights and two folded pieces of paper: one of which is inscribed with ‘Alicante’, for the Mark of Alicante from the Castlereagh Collection
1800-1818
Silver watch with unusual Robin escapement
1792
Plaster bust of Aristotle
1790-1819
Souscription watch, by Abraham-Louis Breguet
1805
Cylinder electrical machine, 1810-1817
1810-1817
Half-penny coin
1806
Spring-detent escapement watch with gold case by John Barwise
1800
Watch with four outer cases, made by Edward Prior for the Turkish export market
1800