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
Tumbler, horn, with silver strip around rim, 1742
1742
Model 'Maximum machine', before 1753.
1740-1753
Saw used by Samuel Crompton
1750-1770
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
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Mezzotint portrait of Benjamin Franklin
1762
Etching of an electrically powered garden
1755
Demainbray's turquoise disc
1745-1755
Demainbray's yellow disc
1745-1755
model carriage chassis with two axles, 1762
1762
Turret clock movement by William Smith
1750
Small white cup in soft paste porcelain
1748-1763
Expedition Crane
1764
Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model.
1642-1649 (original); 1883 (model)
Demainbray's model scorpion catapult
1745-1755
Demainbray's Archimedean screw
1752
Demainbray's rat's tail crane model
1735-1753
Demainbray's Irish low-backed cart model
1735-1754.
Glass bell jar with a brass collar
1761
Double brass stand for bell jars on a brass pillar
1761
Demainbray's convex lens
1750
George III's weighted cylinder
1762
Demainbray's hydrostatic paradox vessels
1735-1752
Unweighted cylinder in frame
1762
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
George III's apparatus for oblique and compound collision
1762
George III's cycloidal pendulum
1762
George III's pendulum
1762
Plane table outfit by Benjamin Cole
1750-1766
Cutter, Alert
1755
Pocket microscope by Jeremiah Sisson
1752
Mural arc made for King George III
1770
Demainbray's cometarium
1750-1760
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