Demainbray's Archimedean screw
1752
Etching of an electrically powered garden
1755
Gold amulet in the form of a cobra
2000-100 BCE
Glass bell jar with a brass collar
1761
Double brass stand for bell jars on a brass pillar
1761
Square signed "J.Ramsden, 1757"
1757
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Pocket microscope by Jeremiah Sisson
1752
Clarke's Hydrometer (c. 1755)
1755
Cutter, Alert
1755
Freud electronic laughing ball
1990-96
Demainbray's convex mirror
1752
Model diving bell with 12 sinking weights
before 1753
Demainbray's optical model
1752
Demainbray's optical model
1752
Demainbray's optical model
1752
Demainbray's optical model
1752
Demainbray's model of a camera obscura
1752
Model of Hooke's universal joint
1760
Mahogany cross-piece for an air pump
1761
George III's double-barrelled air pump
1761
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
George III's clockwork bell
1761
George III's glass sphere
1761
George III's Magdeburg hemispheres
1761
Mahogany board with round ends and two short brass pillars
1761
Cutter, Alert
1755
Neolithic flint scraper
4000-2001 BCE
Two brass pillars for an air pump
1761
Viewer microscope, with bead lens, in square body
1888-185
Boxfoot microscope with ball-socketed pillar
1755
Frame to demonstrate parallelogram of forces
1752
Tubes for the whirling table
1753
Paul Werner, liberator of Colberg
1760
Alabaster kohl pot
2000-1350
Harpenden pocket stadiometer sent out to Ludlow Boys' School as part of a series of nationwide measurements
1972-3
NEMA cryptography machine type T-D
1945-50
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Two Reales of Carlos III
1761
Silver Coin of Augustus III (Poland)
1760
Roman Coin of Tiberius
30 CE
Two Reales of Carlos III
1761
Two Reales of Carlos III
1761
Two Reales of Carlos III
1761
Roman Coin of Tiberius
30 CE
Combined level & clinometer, German, 1755
1755
Small black slate palette with short handle and base carved in form of flat fish
3500-1000
Red granite drill core
2686-2613 BCE
A Chain Bridge
1753
Two washers
15/7/27