Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Dental Pelican for Tooth Pulling
1701-1800
Dover Castle turret clock
1632-1640
Napier's Bones
1690
Arkwright's Water Frame
1775
Wooden Acupuncture Model
1681
Amputation saw, Europe, 1501-1600
1501-1600
Sun-and-moon dial by Elias Allen
1607-1653
Theodolite used for the Principal Triangulation of Great Britain
1791
Sector signed John Allen
1630-1642
Anamorphosis Painting of Perspective View of a Ship Model
1744-1774
Armillary sphere by Girolamo Della Volpaia
1554
Facial mask
1501-1800
Early balance spring watch by Thomas Tompion
1675-1679
'Dutch forgery' watch signed John Wilter
1780
Arkwright's Water Frame, 1775
1775
Scold's Bridle Mask which partially covers face
1550-1800
Boot for torture purposes, probably English, 1501-1600
1501-1700
Belt made of spiked metal, Europe, 1501-1700
1501-1700
Seal die, Ashby De La Zouch Canal Company
1794
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Combined graphometer and plummet clinometer, 1663.
1663
Demainbray's model scorpion catapult
1745-1755
Demainbray's Archimedean screw
1752
Mezzotint portrait of Benjamin Franklin
1762
wheel cutting machine
1668-1672 Probable
Demainbray's syphon
1701-1752
Gunter quadrant
1650-1725
Pair of bar magnets in box
1750-1795
Divers Projets
1798
Gunter quadrant
1650-1725
Etching of an electrically powered garden
1755
Brass-bound lodestone
1675-1700
Edmund Culpeper
1720
Demainbray's polemoscope
1701-1752
Demainbray's speaking trumpet
1700-1752
Celestial globe by Willem Janszoon Blaeu
1603
Barnard Tompion clock
1708
Demainbray's hydrostatic paradox vessels
1735-1752
Demainbray's wharf jib crane model
1729-1753
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
‘Visual glasses’ designed by Benjamin Martin
1756-1800
Demainbray's turquoise disc
1745-1755
Demainbray's yellow disc
1745-1755
Sector by Charles Whitwell
1600-11
Demainbray's Irish low-backed cart model
1735-1754.
Cupellation furnace
1696-1700
Pair of seventeenth-century dividers
1600-1699
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752