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
Stipple-engraved portrait of Benjamin Martin
1815
Divers Projets
1798
100 Link Steel Surveying Chain, 1784.
1784
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
Section of lightning conductor from St Paul’s cathedral
1769
The Improved Pedometer or Waywiser
1765-1806
Slide rule for exchange of weights and measures
1815
Glass bell jar with a brass collar
1761
Stipple-engraved portrait of Margaret Bryan and two children
1797
Chronometer in Gold Case by Thomas Earnsham, 1795-1810
1795-1810
King George III's friction machine
1762
George III's apparatus for oblique and compound collision
1762
Double brass stand for bell jars on a brass pillar
1761
model carriage chassis with two axles, 1762
1762
George III's cycloidal pendulum
1762
George III's tidal demonstration model
1762
King George III's central forces machine
1762
George III's pendulum
1762
Cylinder electrical machine, 1810-1817
1810-1817
Scientific Researches! - New Discoveries in Pneumaticks! - or, an Experimental Lecture on the Powers of Air
1802
Deck-watch used by Capt. George Vancouver on board HMS Discovery 1791-5
1791
Pivoted-detent escapement watch by Larcum Kendall
1786
Watch with four outer cases, made by Edward Prior for the Turkish export market
1800
Pivoted-detent escapement watch by John Arnold
1776
Spring-detent escapement watch in a gold case by Reid & Co. London
1807
Watch movement with spring detent escapement by John Arnold and Son
1787
Souscription watch, by Abraham-Louis Breguet
1805
Deck watch by John Arnold and Son
1790
Spring-detent escapement watch with gold case by John Arnold and Son
1796
'Souscription' watch by Abraham-Louis Breguet
1800
Spring-detent escapement watch with gold case by John Barwise
1800
Spring detent watch by John Arnold, used by Ruth Bellville and family to distribute GMT c.1834-1940
1794
Compass
1800
Repeating clock-watch with dials on front and back by Gautrin, Paris
1780
'Early 'perpetuelle' watch by Abraham-Louis Breguet
1783-1800
Gold repoussé watch depicting the Choice of Hercules, by John Ellicott
1767
Automaton watch by Jean Robert Soret
1812
Under-painted horn pair cased watch by George Flote
1800
Marine chronometer by Thomas Earnshaw
1795-1805
Gold watch by Recordon
1807
Silver one-minute tourbillon watch by Abraham-Louis Breguet, sold to the Princess de Valençay in 1812.
1812
Lever escapement watch by Josiah Emery
1792
Repeating watch with unusual escapement by Abraham-Louis Breguet
1795
A skeleton clock designed to represent the terrestial globe by Henry Gratte
1800
Quarter-repeating gold watch by Abraham-Louis Breguet
circa 1808
Verge watch in Staffordshire enamelled case by Ann Phillips
1790
A Royal watch by Samuel Houston
1807