Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Clarke's Hydrometer (c. 1755)
1755
Mezzotint portrait of Benjamin Franklin
1762
Etching of an electrically powered garden
1755
Gold amulet in the form of a cobra
2000-100 BCE
Telescope by Galileo (replica)
1610; 1923
Pair of ebony violin fingerboard shape and sized hollow fabrications
1758-1773
Expedition Crane
1764
Long mahogany strip brass pin gauge with five pins
1758-1769
Short mahogany strip brass pin gauge with eight pins
1758-1769
Perspective drawing apparatus, incomplete, in integral mahogany case
1760-1770
Long mahogany strip brass pin gauge with eight pins
1758-1769
Cutter, Alert
1755
Mural arc made for King George III
1770
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
Section of lightning conductor from St Paul’s cathedral
1769
Square signed "J.Ramsden, 1757"
1757
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
Gold repoussé watch depicting the Choice of Hercules, by John Ellicott
1767
Watch with double dial
1760
Watch movement with remontoir and two balance springs by Thomas Mudge
1755
Musical table clock by Thwaites for Barraud
1767
Mezzotint: Portrait of John Arnold
1770
Freud electronic laughing ball
1990-96
Wood moulding plane, dated 1771
1771
Atmospheric Engine by John Smeaton, 1772
1772 (original); 1919 (model)
7/8" steel gouge with octagonal hickory handle
1758-1769
Octagonal wooden telescope with slot down one side and moveable eyepice
1772-1773
Short mahogany strip brass pin gauge with five pins
1758-1769
Dial micrometer, 1760-1772.
1760-1772
Keys to the Clockmakers Company chest
1766
Neolithic flint scraper
4000-2001 BCE
Altazimuth theodolite by Benjamin Cole & Son
1755-1765
Cutter, Alert
1755
Arkwright's prototype spinning machine, 1769.
1769
Model diving bell with 12 sinking weights
before 1753
Magnetic toy by George Adams
1765
George III's glass sphere
1761
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Model of Hooke's universal joint
1760
Mahogany cross-piece for an air pump
1761