Small orrery by Benjamin Martin
1738-1777
Sun-and-moon dial by Elias Allen
1607-1653
Orrery made by John Rowley for the Earl of Orrery
1712-1713
Dover Castle turret clock
1632-1640
Gunter sector signed Elias Allen
1623
Electrical chimes by George Adams
1781-1790
Astrolabe by Ferdinand Arsenius
1607-1618
Early balance spring watch by Thomas Tompion
1675-1679
Refracting telescope with achromatic lens, made by the Dollond family
1760-1775
Theodolite used for the Principal Triangulation of Great Britain
1791
Mezzotint portrait of Benjamin Franklin
1762
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
Celestial globe by Willem Janszoon Blaeu
1603
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
Ready reckoner for ship's cargoes
1807
Demainbray's model scorpion catapult
1745-1755
Demainbray's Archimedean screw
1752
horological gravers
1850-1900
wheel cutting machine
1668-1672 Probable
Telescope by John Yarwell.
1685-1695
Demainbray's convex lens
1750
‘Medico-Electrical Machine’ by Nairne and Blunt
1782-1793
Horological gravers with an oval profile
1850-1900
Sector signed John Allen
1630-1642
Horological gravers with triangular profile
1850-1900
horological gravers
1850-1900
horological gravers
1850-1900
horological graver
1850-1900
horological rubber
1850-1900
Pocket microscope by Jeremiah Sisson
1752
Gunter quadrant by Walter Hayes
1648-1687
horological file
1850-1900
Telescope by Christopher Cock
1673
Mural arc made for King George III
1770
Gunter quadrant
1650-1725
Lunardi's second balloon ascending from St. George's Fields, 1785
1785-1790
Satirical print of a failed balloon launch from Foley House, London in 1784
1784
Compendium by Elias Allen
1630-1653
Stipple-engraved portrait of Benjamin Martin
1815
Pulley from long-case clock by Fromanteel
1660-1665
Clock weight from long-case clock by Fromanteel
1660-1665