Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Clarke's Hydrometer (c. 1755)
1755
Arkwright's prototype spinning machine, 1769.
1769
George III's compound engine
1762
Silver microscope by George Adams, c. 1761.
1763
George III's double-barrelled air pump
1761
Isaac Newton’s Reflecting Telescope (replica)
1668; 1924
Telescope by Galileo (replica)
1610; 1923
Pair of ebony violin fingerboard shape and sized hollow fabrications
1758-1773
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
Mezzotint portrait of Benjamin Franklin
1762
Etching of an electrically powered garden
1755
model carriage chassis with two axles, 1762
1762
Expedition Crane
1764
Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model.
1642-1649 (original); 1883 (model)
Glass bell jar with a brass collar
1761
Double brass stand for bell jars on a brass pillar
1761
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
George III's apparatus for oblique and compound collision
1762
George III's cycloidal pendulum
1762
George III's pendulum
1762
Cutter, Alert
1755
Mural arc made for King George III
1770
Section of lightning conductor from St Paul’s cathedral
1769
Square signed "J.Ramsden, 1757"
1757
King George III's friction machine
1762
George III's tidal demonstration model
1762
King George III's central forces machine
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
Gold amulet in the form of a cobra
2000-100 BCE
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
Altazimuth theodolite by Benjamin Cole & Son
1755-1765
Dial micrometer, 1760-1772.
1760-1772
Eight ebony violin fingerboard shape and sized hollow fabrications
1758-1773
Model diving bell with 12 sinking weights
before 1753
Keys to the Clockmakers Company chest
1766
Mahogany cross-piece for an air pump
1761
Two brass pillars for an air pump
1761
George III's inclined plane and Horse-way
1762
Mahogany board with round ends and two short brass pillars
1761
George III's glass sphere
1761