Demainbray's turquoise disc
1745-1755
Demainbray's hydrostatic paradox vessels
1735-1752
Demainbray's yellow disc
1745-1755
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Long mahogany strip brass pin gauge with five pins
1758-1769
Long mahogany strip brass pin gauge with eight pins
1758-1769
Short mahogany strip brass pin gauge with eight pins
1758-1769
Perspective drawing apparatus, incomplete, in integral mahogany case
1760-1770
Tumbler, horn, with silver strip around rim, 1742
1742
Pair of ebony violin fingerboard shape and sized hollow fabrications
1758-1773
Saw used by Samuel Crompton
1750-1770
Demainbray's Irish low-backed cart model
1735-1754.
George III's weighted cylinder
1762
Demainbray's Archimedean screw
1752
Unweighted cylinder in frame
1762
Demainbray's model scorpion catapult
1745-1755
George III's pendulum
1762
King George III's central forces machine
1762
Demainbray's convex lens
1750
Model 'Maximum machine', before 1753.
1740-1753
Small white cup in soft paste porcelain
1748-1763
Section of lightning conductor from St Paul’s cathedral
1769
Pharmacy storage jar used for theriac
1725-1755
Etching of an electrically powered garden
1755
Demainbray's cometarium
1750-1760
Gold amulet in the form of a cobra
2000-100 BCE
Glass bell jar with a brass collar
1761
Pharmacy jar for bugloss
1725-1775
Double brass stand for bell jars on a brass pillar
1761
Square signed "J.Ramsden, 1757"
1757
model carriage chassis with two axles, 1762
1762
Mezzotint portrait of Benjamin Franklin
1762
George III's tidal demonstration model
1762
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Pocket microscope by Jeremiah Sisson
1752
King George III's friction machine
1762
Clarke's Hydrometer (c. 1755)
1755
Demainbray's rat's tail crane model
1735-1753
Demainbray's wharf jib crane model
1729-1753
Expedition Crane
1764
George III's cycloidal pendulum
1762
George III's apparatus for oblique and compound collision
1762
Mural arc made for King George III
1770
Cutter, Alert
1755
Plane table outfit by Benjamin Cole
1750-1766
Short mahogany strip brass pin gauge with five pins
1758-1769
Freud electronic laughing ball
1990-96
Mezzotint: Portrait of John Arnold
1770
Dial micrometer, 1760-1772.
1760-1772
Demainbray's scioptric ball
1745-1755