Longcase clock by James and John Harrison
1728
Freud electronic laughing ball
1990-96
Longcase clock movement by John and James Harrison
1726-1728
Majolica pharmacy jar
1730-1750
Barnard Tompion clock
1708
Table clock with pull quarter repeat by George Tyler
1715-1725
Marine timekeeper by Henry Sully, Paris, 1724
1724
Pharmacy storage jar used for theriac
1725-1755
Verge escapement watch movement by Thomas Tompion and George Graham
1711
Watch movement with remontoir and two balance springs by Thomas Mudge
1755
Demainbray's scioptric ball
1745-1755
Gold pair-cased watch with gold champleve dial, by Daniel Quare
1710
Cylinder watch with enamelled gold case made for Queen Charlotte
1740-1760
Small lantern clock with alarm signed George Graham
1750-1760
Silver repeating watch by Daniel Quare
1708-1710
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
Compass plane
1717
Model 'Maximum machine', before 1753.
1740-1753
Watch in a porcelain case by J Grantham
1750
Demainbray's convex lens
1750
Table clock with pull quarter repeat by Andrew Dunlop
1740
Gold pair-cased repeating watch by William Tomlinson
circa 1710
Male urinal, Netherlands, 1740-1760
1740-1760
Pedometer by Benjamin Grey
1755
Gold repeating watch by William Webster
circa 1715
Section of track
1745-1755
Demainbray's hydrostatic paradox vessels
1735-1752
Gold repeating watch by Benjamin Gray
1730
Demainbray's turquoise disc
1745-1755
Demainbray's yellow disc
1745-1755
Triple-cased quarter-repeater watch by Paul du Pin
1739
Grave marker, grave '221'
1860-1920
Telescope by Galileo (replica)
1610; 1923
Mezzotint portrait of Benjamin Franklin
1762
Demainbray's cometarium
1750-1760
Etching of an electrically powered garden
1755
Cutter, Alert
1755
Oil painting portrait of George Graham, 1740-1749
1740-1749
Longcase clock with tidal dial by Christopher Pinchbeck
1715-1725
Portrait of Benjamin Gray (1676 – 1764)
1745-1755
Turret clock movement by William Smith
1750
Unweighted cylinder in frame
1762
George III's weighted cylinder
1762
King George III's archimedean screw
1762
George III's pendulum
1762
King George III's central forces machine
1762
Glass bell jar with a brass collar
1761