Arkwright's Water Frame, 1775
1775
Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Mezzotint portrait of Benjamin Franklin
1762
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
Section of lightning conductor from St Paul’s cathedral
1769
Glass bell jar with a brass collar
1761
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
Pivoted-detent escapement watch by John Arnold
1776
Repeating clock-watch with dials on front and back by Gautrin, Paris
1780
Gold repoussé watch depicting the Choice of Hercules, by John Ellicott
1767
Musical table clock by Thwaites for Barraud
1767
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
Expedition Crane
1764
Portrait mezzotint print from engraving of Phelps Thomas and Bartlett John, 1778
1778
Watt's end measuring machine
1776
Mural arc made for King George III
1770
Flintlock pistol belonging to John Roger Arnold
1770-1780
Quarter repeating watch by Ellicott, London
1765-1775
Gold amulet in the form of a cobra
2000-100 BCE
Spoon with folding handle
1778
Engraving of a demonstration to compare lightning conductor designs
1778-1780
Wood moulding plane, dated 1771
1771
Mezzotint: Portrait of John Arnold
1770
Freud electronic laughing ball
1990-96
English wooden doll
circa 1780
Mahogany cross-piece for an air pump
1761
George III's Magdeburg hemispheres
1761
George III's inclined plane and Horse-way
1762
George III's compound engine
1762
George III's model crriage body
1762
Silver microscope by George Adams, c. 1761.
1763
Mahogany board with round ends and two short brass pillars
1761
Two brass pillars for an air pump
1761
George III's clockwork bell
1761
George III's double-barrelled air pump
1761
Gold watch by Raymont
1772
Gold and enamel pair cased watch by Justin Vulliamy
1775
Chronometer movement by John Arnold
1775
Marine chronometer by John Arnold
1771
George III's philosophical table
1761-1762