Arkwright's Water Frame, 1775
1775
Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Napier's Bones
1690
Camera Obscura
1701-1752
Spring-driven Bracket Clock by Isaac Thuret
1665-1670
Barnard Tompion clock
1708
Refracting telescope with achromatic lens, made by the Dollond family
1760-1775
Wooden Acupuncture Model
1681
Orrery made by John Rowley for the Earl of Orrery
1712-1713
Verge escapement watch movement by Thomas Tompion and George Graham
1711
Tumbler, horn, with silver strip around rim, 1742
1742
Model 'Maximum machine', before 1753.
1740-1753
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Combined graphometer and plummet clinometer, 1663.
1663
Demainbray's Archimedean screw
1752
Mezzotint portrait of Benjamin Franklin
1762
Demainbray's convex lens
1750
Demainbray's syphon
1701-1752
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 rat's tail crane model
1735-1753
Demainbray's turquoise disc
1745-1755
Demainbray's yellow disc
1745-1755
Demainbray's Irish low-backed cart model
1735-1754.
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
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
Wandering hour watch by Sinclare, Dublin, c.1690
1690
Hexagonal table clock by Johann Schmidtbaur
1700-1725
Astronomical 'Masterpiece' Clock by Johann Schneider
1625
Ivory folding sundial by Jacob Karner
1630
Pair of ebony violin fingerboard shape and sized hollow fabrications
1758-1773
Long mahogany strip brass pin gauge with five pins
1758-1769
Short mahogany strip brass pin gauge with eight pins
1758-1769
Perspective drawing apparatus, incomplete, in integral mahogany case
1760-1770
Long mahogany strip brass pin gauge with eight pins
1758-1769
Saw used by Samuel Crompton
1750-1770
Cutter, Alert
1755
Demainbray's model scorpion catapult
1745-1755
Brass-bound lodestone
1675-1700
Pair of seventeenth-century dividers
1600-1699
Watch with faceted oval rock crystal case and protective outer case by John Ramsay
1625
Octagonal crystal-cased watch by an unknown maker
1610
Seven almost identical unfinished watch movements
1670