Camera Obscura
1701-1752
Orrery by Thomas Wright
1735-1745
Demainbray's Newcomen engine model
1720
George III's philosophical table
1761-1762
Demainbray's polemoscope
1701-1752
George III's pendulum
1762
Demainbray's speaking trumpet
1700-1752
Electrical chimes by George Adams
1781-1790
Demainbray's scioptric ball
1745-1755
Slide rule for calculation of treadwheel labour
1823
George III's compound engine
1762
King George III's friction machine
1762
George III's double-barrelled air pump
1761
Rockingham vase
Demainbray's model of a camera obscura
1752
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Model diving bell with 12 sinking weights
before 1753
Magnetic toy by George Adams
1765
Mahogany cross-piece for an air pump
1761
Beam compass by George Adams
1775-1795
Demainbray's cometarium
1750-1760
George III's Magdeburg hemispheres
1761
Demainbray's convex mirror
1752
King George III's central forces machine
1762
Prism
Demainbray's wire cage
1700-1752
George III's glass sphere
1761
Surveyor's Level by Joseph Jackson
1735-60
George III's cycloidal pendulum
1762
Demainbray's model scorpion catapult
1745-1755
model carriage chassis with two axles, 1762
1762
Demainbray's optical model
1752
Demainbray's Archimedean screw
1752
Demainbray's optical model
1752
Model of Vauloue's piledriver
1737-1752
Demainbray's convex lens
1750
Demainbray's rat's tail crane model
1735-1753
Model 'Maximum machine', before 1753.
1740-1753
George III's tidal demonstration model
1762
Model of Hooke's universal joint
1760
Pair of bar magnets in box
1750-1795
Glass bell jar with a brass collar
1761
George III's weighted cylinder
1762
George III's inclined plane and Horse-way
1762
George III's clockwork bell
1761
Demainbray's optical model
1752
Demainbray's four wheeled wagon model
1751
Demainbray's syphon
1701-1752
Model to demonstrate the path of a projectile
1740-1753
Achromatic doublet lens with a focal length of 52 inches
1780