Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Arkwright's Water Frame
1775
Theodolite used for the Principal Triangulation of Great Britain
1791
Anamorphosis Painting of Perspective View of a Ship Model
1744-1774
'Dutch forgery' watch signed John Wilter
1780
Arkwright's Water Frame, 1775
1775
Seal die, Ashby De La Zouch Canal Company
1794
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Demainbray's model scorpion catapult
1745-1755
Demainbray's Archimedean screw
1752
Mezzotint portrait of Benjamin Franklin
1762
Pair of bar magnets in box
1750-1795
Etching of an electrically powered garden
1755
Demainbray's hydrostatic paradox vessels
1735-1752
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
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
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
Flintlock pistol belonging to John Roger Arnold
1770-1780
Repeating clock-watch with dials on front and back by Gautrin, Paris
1780
Watch with double dial
1760
Portrait of Francois Justin Vulliamy (1712 – 1797)
1760-1790
Repeating watch with unusual escapement by Abraham-Louis Breguet
1795
Oil painting portrait of George Graham, 1740-1749
1740-1749
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
Spoon with folding handle
1778
Porcelain eyebath
1775-1785
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
Wax male figure showing the veins and some organs of the body, Florence, Italy, 1776-1780
1776-1780
Wax male figure showing the arteries of the body, Florence, Italy, 1776-1780
1776-1780
Wax male figure showing the muscles of the body
1776-1780
Great spinning wheel
c.1750
Turret clock movement by William Smith
1750
Cutter, Alert
1755
Demainbray's convex lens
1750
‘Medico-Electrical Machine’ by Nairne and Blunt
1782-1793
Pocket microscope by Jeremiah Sisson
1752
Mural arc made for King George III
1770