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
Sun-and-moon dial by Elias Allen
1607-1653
Theodolite used for the Principal Triangulation of Great Britain
1791
Wooden Acupuncture Model
1681
Arkwright's Water Frame
1775
Sector signed John Allen
1630-1642
Anamorphosis Painting of Perspective View of a Ship Model
1744-1774
Early balance spring watch by Thomas Tompion
1675-1679
'Dutch forgery' watch signed John Wilter
1780
Arkwright's Water Frame, 1775
1775
Seal die, Ashby De La Zouch Canal Company
1794
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Demainbray's Archimedean screw
1752
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
Demainbray's Irish low-backed cart model
1735-1754.
Pair of seventeenth-century dividers
1600-1699
Stipple-engraved portrait of Margaret Bryan and two children
1797
Drum shaped clock in a gilt-metal case, signed R.S. c.1600
1600
Rock crystal and silver watch in the form of a tulip, by Sermand c.1640
1640
Watch in an octagonal silver case by Robert Grebauval
1625
Silver watch in the shape of a Tudor rose by William Clay
1640
'Souscription' watch by Abraham-Louis Breguet
1800
Repeating clock-watch with dials on front and back by Gautrin, Paris
1780
'Early 'perpetuelle' watch by Abraham-Louis Breguet
1783-1800
Watch by David Margotin with a Blois Enamelled Case
1601-1700
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
Repeating watch with unusual escapement by Abraham-Louis Breguet
1795
Hexagonal table clock by Johann Schmidtbaur
1700-1725
Astronomical 'Masterpiece' Clock by Johann Schneider
1625
Ivory folding sundial by Jacob Karner
1630
Gold and enamel watch by Robert Robin
1785-1795
Leber-pattern dental forceps
1770-1800
Netsuke depicting man with moxa on leg
1771-1800
Wooden figure of man practising moxibustion
1750-1800
Medal, Blanchard's balloon ascent, Nuremberg, Germany, 1787
1785