Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Orrery made by John Rowley for the Earl of Orrery
1712-1713
Napier's Bones
1690
Small orrery by Benjamin Martin
1738-1777
Silver star-shaped verge watch by David Ramsay
1625
Anamorphosis Painting of Perspective View of a Ship Model
1744-1774
Refracting telescope with achromatic lens, made by the Dollond family
1760-1775
Gunter quadrant
1640
Compound microscope
1700
Wooden Acupuncture Model
1681
Arkwright's Water Frame, 1775
1775
Replica of Islamic Astrolabe
1066; 1876
Doorcase 56 Lincoln’s Inn Fields
circa 1750
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
Demainbray's hydrostatic paradox vessels
1735-1752
Demainbray's turquoise disc
1745-1755
Demainbray's yellow disc
1745-1755
Watch in an octagonal silver case by Robert Grebauval
1625
Rock crystal and silver watch in the form of a tulip, by Sermand c.1640
1640
Silver watch in the shape of a Tudor rose by William Clay
1640
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
Pendulum clock by Pieter Visbach
1660
Hexagonal table clock by Johann Schmidtbaur
1700-1725
Astronomical 'Masterpiece' Clock by Johann Schneider
1625
Ivory folding sundial by Jacob Karner
1630
Pharmacy storage jar used for theriac
1725-1755
Pharmacy jar for bugloss
1725-1775
wheel cutting machine
1668-1672 Probable
Sector signed John Allen
1630-1642
Edmund Culpeper
1720
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Glass bell jar with a brass collar
1761
George III's apparatus for oblique and compound collision
1762
model carriage chassis with two axles, 1762
1762
George III's cycloidal pendulum
1762
George III's pendulum
1762
Watch movement with a quarter-repeating mechanism of early design by Thomas Tompion.
1680
Oil painting portrait of George Graham, 1740-1749
1740-1749
Combined graphometer and plummet clinometer, 1663.
1663
Telescope by John Yarwell.
1685-1695
Pocket microscope by Jeremiah Sisson
1752