George III's pendulum
1762
Small white cup in soft paste porcelain
1748-1763
Portrait mezzotint print from engraving of Phelps Thomas and Bartlett John, 1778
1778
Model of early manual fire engine, ca. 1680.
1680
King George III's central forces machine
1762
Section of lightning conductor from St Paul’s cathedral
1769
Small orrery by Benjamin Martin
1738-1777
Etching of an electrically powered garden
1755
Demainbray's Irish low-backed cart model
1735-1754.
Demainbray's turquoise disc
1745-1755
Demainbray's hydrostatic paradox vessels
1735-1752
Trade card for John Yarwell, optician, London, England, 1697
1697
Glass bell jar with a brass collar
1761
Demainbray's polemoscope
1701-1752
Demainbray's yellow disc
1745-1755
Double brass stand for bell jars on a brass pillar
1761
Watt's end measuring machine
1776
Square signed "J.Ramsden, 1757"
1757
Demainbray's syphon
1701-1752
George III's weighted cylinder
1762
model carriage chassis with two axles, 1762
1762
Mezzotint portrait of Benjamin Franklin
1762
Demainbray's speaking trumpet
1700-1752
George III's tidal demonstration model
1762
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Pocket microscope by Jeremiah Sisson
1752
King George III's friction machine
1762
Thomas Tuttell
1695-1702
Demainbray's Archimedean screw
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
Demainbray's wharf jib crane model
1729-1753
Edmund Culpeper
1720
Expedition Crane
1764
George III's cycloidal pendulum
1762
George III's apparatus for oblique and compound collision
1762
Gear wheel from long-case clock by Fromanteel
1660-1665
Escape wheel from long-case clock by Fromanteel
1660-1665
Pulley from long-case clock by Fromanteel
1660-1665
Mural arc made for King George III
1770
Clock weight from long-case clock by Fromanteel
1660-1665
Combined graphometer and plummet clinometer, 1663.
1663
Cutter, Alert
1755
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Spiral slide-rule
1663
Plane table outfit by Benjamin Cole
1750-1766
Tumbler, horn, with silver strip around rim, 1742
1742