Demainbray's turquoise disc
1745-1755
Demainbray's yellow disc
1745-1755
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Tumbler, horn, with silver strip around rim, 1742
1742
Gold amulet in the form of a cobra
2000-100 BCE
Square signed "J.Ramsden, 1757"
1757
Pocket microscope by Jeremiah Sisson
1752
Clarke's Hydrometer (c. 1755)
1755
Demainbray's model scorpion catapult
1745-1755
Demainbray's convex lens
1750
Model 'Maximum machine', before 1753.
1740-1753
Demainbray's Archimedean screw
1752
Etching of an electrically powered garden
1755
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Cutter, Alert
1755
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
Demainbray's compound microscope
1745
Neolithic flint scraper
4000-2001 BCE
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
Demainbray's optical model
1752
Demainbray's optical model
1752
Model to demonstrate the path of a projectile
1740-1753
Cutter, Alert
1755
Pair of coloured glass discs, 1750.
1745-1755
Two oil paintings of armed Cutter "Alert" (1753-4) each in gilt frames (bow and stern views)
1753-1754
Ear trumpet
1752
Wooden backstaff or Davis quadrant made by John Gilbert on Tower Hill
1730; 1967
Harpenden pocket stadiometer sent out to Ludlow Boys' School as part of a series of nationwide measurements
1972-3
Plano-convex brick, Ubaid, Iraq, c 2500 BC.
2500 BCE
Length of red silk ribbon worn as a belt to promote general good health
1880-120
5 lancets
1744
Brass Clarke's hydrometer
1755
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Mahogany and brass reflecting quadrant
1748
Guinea balance in case
1753-1754
Replica of Islamic Astrolabe
1066; 1876
Microscope (dated 1754)
1754
Viewer microscope, with bead lens, in square body
1888-185
A Chain Bridge
1753
NEMA cryptography machine type T-D
1945-50
Unlined, unpatterned pull-off paper case for spectacles
1740-1759
Spectacle case
1740-1759