Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Dental Pelican for Tooth Pulling
1701-1800
Wooden Acupuncture Model
1681
Theodolite used for the Principal Triangulation of Great Britain
1791
Napier's Bones
1690
Arkwright's Water Frame
1775
Anamorphosis Painting of Perspective View of a Ship Model
1744-1774
'Dutch forgery' watch signed John Wilter
1780
Early balance spring watch by Thomas Tompion
1675-1679
Arkwright's Water Frame, 1775
1775
Seal die, Ashby De La Zouch Canal Company
1794
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Combined graphometer and plummet clinometer, 1663.
1663
Demainbray's model scorpion catapult
1745-1755
Demainbray's Archimedean screw
1752
Mezzotint portrait of Benjamin Franklin
1762
Demainbray's syphon
1701-1752
Pair of bar magnets in box
1750-1795
Divers Projets
1798
Etching of an electrically powered garden
1755
Brass-bound lodestone
1675-1700
Edmund Culpeper
1720
Demainbray's polemoscope
1701-1752
Demainbray's speaking trumpet
1700-1752
Barnard Tompion clock
1708
Demainbray's hydrostatic paradox vessels
1735-1752
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
‘Visual glasses’ designed by Benjamin Martin
1756-1800
Demainbray's turquoise disc
1745-1755
Demainbray's yellow disc
1745-1755
Demainbray's Irish low-backed cart model
1735-1754.
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Stipple-engraved portrait of Margaret Bryan and two children
1797
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 pendulum
1762
'Souscription' watch by Abraham-Louis Breguet
1800
Repeating clock-watch with dials on front and back by Gautrin, Paris
1780
'Early 'perpetuelle' watch by Abraham-Louis Breguet
1783-1800
Portrait of Benjamin Vulliamy (1747 – 1811)
1770-1800
Watch movement with a quarter-repeating mechanism of early design by Thomas Tompion.
1680
Seven almost identical unfinished watch movements
1670
Portrait of Francois Justin Vulliamy (1712 – 1797)
1760-1790
Repeating watch by William Andreas Enderlin with enamel in the manner of Jean Mussard V
1700-1725
Verge escapement watch movement by Ahasuerus Fromanteel
1685
Wandering hour watch by Sinclare, Dublin, c.1690
1690
Repeating watch with unusual escapement by Abraham-Louis Breguet
1795