Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Napier's Bones
1690
Wooden Acupuncture Model
1681
Arkwright's Water Frame
1775
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
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Demainbray's Archimedean screw
1752
Mezzotint portrait of Benjamin Franklin
1762
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 clock-watch with dials on front and back by Gautrin, Paris
1780
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
Medal, Blanchard's balloon ascent, Nuremberg, Germany, 1787
1785
Wax male figure showing the veins and some organs of the body, Florence, Italy, 1776-1780
1776-1780
Wax male figure showing the arteries of the body, Florence, Italy, 1776-1780
1776-1780
Wax male figure showing the muscles of the body
1776-1780
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
Mural arc made for King George III
1770
Lunardi's second balloon ascending from St. George's Fields, 1785
1785-1790
Small orrery by Benjamin Martin
1738-1777
Gunter quadrant
1650-1725
Satirical print of a failed balloon launch from Foley House, London in 1784
1784
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
Gunter quadrant
1650-1725
Brass-bound lodestone
1675-1700
Escape wheel from long-case clock by Fromanteel
1660-1665
Demainbray's cometarium
1750-1760
Edmund Culpeper
1720
100 Link Steel Surveying Chain, 1784.
1784
Clarke's Hydrometer (c. 1755)
1755