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
Tumbler, horn, with silver strip around rim, 1742
1742
Small white cup in soft paste porcelain
1748-1763
Gold amulet in the form of a cobra
2000-100 BCE
Square signed "J.Ramsden, 1757"
1757
George III's weighted cylinder
1762
Pocket microscope by Jeremiah Sisson
1752
Unweighted cylinder in frame
1762
Clarke's Hydrometer (c. 1755)
1755
Demainbray's model scorpion catapult
1745-1755
Demainbray's convex lens
1750
Demainbray's rat's tail crane model
1735-1753
Expedition Crane
1764
Plane table outfit by Benjamin Cole
1750-1766
Model 'Maximum machine', before 1753.
1740-1753
Demainbray's Irish low-backed cart model
1735-1754.
Demainbray's Archimedean screw
1752
George III's pendulum
1762
King George III's central forces machine
1762
Etching of an electrically powered garden
1755
Glass bell jar with a brass collar
1761
Double brass stand for bell jars on a brass pillar
1761
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
King George III's friction machine
1762
George III's cycloidal pendulum
1762
George III's apparatus for oblique and compound collision
1762
Cutter, Alert
1755
Demainbray's cometarium
1750-1760
Demainbray's scioptric ball
1745-1755
Demainbray's convex mirror
1752
Section of track
1745-1755
Freud electronic laughing ball
1990-96
Demainbray's model of a camera obscura
1752
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Model of Vauloue's piledriver
1737-1752
Altazimuth theodolite by Benjamin Cole & Son
1755-1765
Demainbray's compound microscope
1745
Magnetic toy by George Adams
1765
Neolithic flint scraper
4000-2001 BCE
Male urinal, Netherlands, 1740-1760
1740-1760
Model diving bell with 12 sinking weights
before 1753
Demainbray's optical model
1752
Demainbray's optical model
1752
Demainbray's four wheeled wagon model
1751