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
George III's compound engine
1762
King George III's friction machine
1762
George III's double-barrelled air pump
1761
Rockingham vase
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Demainbray's model of a camera obscura
1752
Magnetic toy by George Adams
1765
Model diving bell with 12 sinking weights
before 1753
Mahogany cross-piece for an air pump
1761
Demainbray's cometarium
1750-1760
Beam compass by George Adams
1775-1795
Demainbray's convex mirror
1752
George III's Magdeburg hemispheres
1761
Demainbray's wire cage
1700-1752
King George III's central forces machine
1762
Prism
Surveyor's Level by Joseph Jackson
1735-60
George III's glass sphere
1761
Demainbray's model scorpion catapult
1745-1755
model carriage chassis with two axles, 1762
1762
George III's cycloidal pendulum
1762
Demainbray's convex lens
1750
Model 'Maximum machine', before 1753.
1740-1753
Demainbray's rat's tail crane model
1735-1753
Demainbray's optical model
1752
George III's tidal demonstration model
1762
Demainbray's optical model
1752
Model of Vauloue's piledriver
1737-1752
Demainbray's Archimedean screw
1752
George III's inclined plane and Horse-way
1762
Glass bell jar with a brass collar
1761
George III's clockwork bell
1761
Model of Hooke's universal joint
1760
George III's weighted cylinder
1762
Pair of bar magnets in box
1750-1795
Demainbray's four wheeled wagon model
1751
Demainbray's hydrostatic paradox vessels
1735-1752
Dial micrometer, 1760-1772.
1760-1772
Model to demonstrate the path of a projectile
1740-1753
Achromatic doublet lens with a focal length of 52 inches
1780
Demainbray's syphon
1701-1752