Small orrery by Benjamin Martin
1738-1777
Refracting telescope with achromatic lens, made by the Dollond family
1760-1775
Telescope by Christopher Cock
1673
Early balance spring watch by Thomas Tompion
1675-1679
Slide rule by Robert Bissaker
1654
horological gravers
1850-1900
wheel cutting machine
1668-1672 Probable
Horological gravers with an oval profile
1850-1900
Horological gravers with triangular profile
1850-1900
horological gravers
1850-1900
horological gravers
1850-1900
horological graver
1850-1900
Dover Castle turret clock
1632-1640
horological file
1850-1900
Gunter quadrant
1650-1725
Pulley from long-case clock by Fromanteel
1660-1665
Gunter quadrant
1650-1725
Demainbray's cometarium
1750-1760
Demainbray's rat's tail crane model
1735-1753
Demainbray's wharf jib crane model
1729-1753
Sector by Charles Whitwell
1600-11
Cupellation furnace
1696-1700
Trade card for John Yarwell, optician, London, England, 1697
1697
model carriage chassis with two axles, 1762
1762
Ready reckoner for ship's cargoes
1807
Demainbray's model scorpion catapult
1745-1755
Demainbray's Archimedean screw
1752
Mezzotint portrait of Benjamin Franklin
1762
Telescope by John Yarwell.
1685-1695
Demainbray's convex lens
1750
‘Medico-Electrical Machine’ by Nairne and Blunt
1782-1793
Sector signed John Allen
1630-1642
Pocket microscope by Jeremiah Sisson
1752
horological rubber
1850-1900
Gunter quadrant by Walter Hayes
1648-1687
Mural arc made for King George III
1770
Demainbray's syphon
1701-1752
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
Pair of bar magnets in box
1750-1795
Divers Projets
1798
Clock weight from long-case clock by Fromanteel
1660-1665
Gear wheel from long-case clock by Fromanteel
1660-1665
Etching of an electrically powered garden
1755
Brass-bound lodestone
1675-1700
Escape wheel from long-case clock by Fromanteel
1660-1665
Edmund Culpeper
1720
Silver sundial by Hunfrey Cole
1568-1590