Demainbray's turquoise disc
1745-1755
Glass bell jar with a brass collar
1761
Demainbray's yellow disc
1745-1755
Double brass stand for bell jars on a brass pillar
1761
George III's weighted cylinder
1762
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Unweighted cylinder in frame
1762
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Saw used by Samuel Crompton
1750-1770
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
King George III's central forces machine
1762
Small white cup in soft paste porcelain
1748-1763
Section of lightning conductor from St Paul’s cathedral
1769
Demainbray's cometarium
1750-1760
Gold amulet in the form of a cobra
2000-100 BCE
Square signed "J.Ramsden, 1757"
1757
model carriage chassis with two axles, 1762
1762
George III's tidal demonstration model
1762
Pocket microscope by Jeremiah Sisson
1752
King George III's friction machine
1762
Clarke's Hydrometer (c. 1755)
1755
Demainbray's convex lens
1750
Mural arc made for King George III
1770
Plane table outfit by Benjamin Cole
1750-1766
George III's pendulum
1762
George III's cycloidal pendulum
1762
George III's apparatus for oblique and compound collision
1762
Etching of an electrically powered garden
1755
Mezzotint portrait of Benjamin Franklin
1762
Demainbray's Archimedean screw
1752
Demainbray's model scorpion catapult
1745-1755
Expedition Crane
1764
Cutter, Alert
1755
Demainbray's scioptric ball
1745-1755
Demainbray's convex mirror
1752
Altazimuth theodolite by Benjamin Cole & Son
1755-1765
Mahogany cross-piece for an air pump
1761
George III's inclined plane and Horse-way
1762
Section of track
1745-1755
Mahogany board with round ends and two short brass pillars
1761
Mezzotint: Portrait of John Arnold
1770
Two brass pillars for an air pump
1761
Freud electronic laughing ball
1990-96
Dial micrometer, 1760-1772.
1760-1772
Wood moulding plane, dated 1771
1771
Demainbray's model of a camera obscura
1752