Napier's Bones
1690
Wooden Acupuncture Model
1681
Early balance spring watch by Thomas Tompion
1675-1679
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Demainbray's Archimedean screw
1752
Demainbray's syphon
1701-1752
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
Demainbray's Irish low-backed cart model
1735-1754.
Repeating watch by William Andreas Enderlin with enamel in the manner of Jean Mussard V
1700-1725
Verge escapement watch movement by Ahasuerus Fromanteel
1685
Wandering hour watch by Sinclare, Dublin, c.1690
1690
Hexagonal table clock by Johann Schmidtbaur
1700-1725
Combined graphometer and plummet clinometer, 1663.
1663
Cutter, Alert
1755
Demainbray's model scorpion catapult
1745-1755
wheel cutting machine
1668-1672 Probable
Telescope by John Yarwell.
1685-1695
Pocket microscope by Jeremiah Sisson
1752
Telescope by Christopher Cock
1673
Pulley from long-case clock by Fromanteel
1660-1665
Clock weight from long-case clock by Fromanteel
1660-1665
Gear wheel from long-case clock by Fromanteel
1660-1665
Brass-bound lodestone
1675-1700
Escape wheel from long-case clock by Fromanteel
1660-1665
Demainbray's cometarium
1750-1760
Edmund Culpeper
1720
Clarke's Hydrometer (c. 1755)
1755
Thomas Tuttell
1695-1702
Barnard Tompion clock
1708
Demainbray's wharf jib crane model
1729-1753
Demainbray's rat's tail crane model
1735-1753
Spiral slide-rule
1663
Trade card for John Yarwell, optician, London, England, 1697
1697
Cupellation furnace
1696-1700
Square signed "J.Ramsden, 1757"
1757
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Month-going longcase clock with a 1¼ seconds pendulum
1675-1685
Cylinder watch with enamelled gold case made for Queen Charlotte
1740-1760
Watch movement by Thomas Tompion with a later case and dial
1680
Silver watch with '6-hour dial' by William Bartram
1680
Longcase clock in a marquetry case by William Cattell
1675-1685
Watch movement with a quarter-repeating mechanism of early design by Thomas Tompion.
1680
Longcase clock with tidal dial by Christopher Pinchbeck
1715-1725
Quarter-repeating watch by George Graham
1745
Silver and tortoiseshell pair cased watch by Ignatius Huggeford
1675