Celestial globe by Willem Janszoon Blaeu
1603
Orrery made by John Rowley for the Earl of Orrery
1712-1713
Small orrery by Benjamin Martin
1738-1777
Pocket globe in case by Dudley Adams
1799-1802
Terrestrial globe by Willem Janszoon Blaeu
1599
Astrolabe by Ferdinand Arsenius
1607-1618
Sun-and-moon dial by Elias Allen
1607-1653
Compound microscope
1700
Refracting telescope with achromatic lens, made by the Dollond family
1760-1775
Gunter quadrant
1640
Mezzotint portrait of Benjamin Franklin
1762
Demainbray's convex lens
1750
Demainbray's syphon
1701-1752
Pair of bar magnets in box
1750-1795
Divers Projets
1798
Etching of an electrically powered garden
1755
Demainbray's polemoscope
1701-1752
Demainbray's speaking trumpet
1700-1752
Demainbray's hydrostatic paradox vessels
1735-1752
Demainbray's turquoise disc
1745-1755
Demainbray's yellow disc
1745-1755
Pair of seventeenth-century dividers
1600-1699
Stipple-engraved portrait of Margaret Bryan and two children
1797
Demainbray's model scorpion catapult
1745-1755
Demainbray's Archimedean screw
1752
wheel cutting machine
1668-1672 Probable
horological gravers
1850-1900
Horological gravers with an oval profile
1850-1900
‘Medico-Electrical Machine’ by Nairne and Blunt
1782-1793
Horological gravers with triangular profile
1850-1900
Sector signed John Allen
1630-1642
horological gravers
1850-1900
horological gravers
1850-1900
horological graver
1850-1900
horological rubber
1850-1900
Dover Castle turret clock
1632-1640
horological file
1850-1900
Gunter quadrant
1650-1725
Gunter quadrant
1650-1725
Brass-bound lodestone
1675-1700
Edmund Culpeper
1720
Demainbray's wharf jib crane model
1729-1753
Demainbray's rat's tail crane model
1735-1753
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
‘Visual glasses’ designed by Benjamin Martin
1756-1800
Sector by Charles Whitwell
1600-11
Cupellation furnace
1696-1700
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Glass bell jar with a brass collar
1761