Freud electronic laughing ball
1990-96
Watch movement with remontoir and two balance springs by Thomas Mudge
1755
Demainbray's scioptric ball
1745-1755
Quarter-repeating watch by George Graham
1745
Demainbray's convex mirror
1752
Quarter-repeating watch by Thomas Mudge
1755
Tumbler, horn, with silver strip around rim, 1742
1742
Watch in a porcelain case by J Grantham
1750
Demainbray's convex lens
1750
Pedometer by Benjamin Grey
1755
Section of track
1745-1755
Demainbray's turquoise disc
1745-1755
Demainbray's yellow disc
1745-1755
Grave marker, grave '221'
1860-1920
Telescope by Galileo (replica)
1610; 1923
Etching of an electrically powered garden
1755
Cutter, Alert
1755
Portrait of Benjamin Gray (1676 – 1764)
1745-1755
Turret clock movement by William Smith
1750
Demainbray's Archimedean screw
1752
Demainbray's model scorpion catapult
1745-1755
Clarke's Hydrometer (c. 1755)
1755
Pocket microscope by Jeremiah Sisson
1752
Case for William Roy’s standard scale, 1742
1742
Gold amulet in the form of a cobra
2000-100 BCE
Great spinning wheel
c.1750
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Glass cylinder, containing a tap and slipwire
circa 1750
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 diving bell with 12 sinking weights
before 1753
Cutter, Alert
1755
Eight-day longcase clock by Justin Vulliamy
1745-1755
Eight-day longcase clock by George Graham
1750
Demainbray's four wheeled wagon model
1751
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
William Roy’s standard scale, 1742
1742
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Rigged model of Flemish carvel construction Carrack
1910-1921
Replica of Roman steelyard, from Pompeii, 79 AD
1-79 CE; before 1914
Model, Perronet's self-contained crane
circa 1751
Coloured engraving of Prior Park
1750
Prior Park, the Seat of Ralph Allen, Esqre, near Bath
1752
Dissecting microscope, c. 1750
1745-1755
'Le Chirurgien de Campagne', engraving by Thomas Major, France, 1747
1747