Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Theodolite used for the Principal Triangulation of Great Britain
1791
Arkwright's Water Frame
1775
Anamorphosis Painting of Perspective View of a Ship Model
1744-1774
'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 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.
Stipple-engraved portrait of Margaret Bryan and two children
1797
Repeating clock-watch with dials on front and back by Gautrin, Paris
1780
Repeating watch with unusual escapement by Abraham-Louis Breguet
1795
Gold and enamel watch by Robert Robin
1785-1795
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
Demainbray's convex lens
1750
Gold amulet in the form of a cobra
2000-100 BCE
Spoon with folding handle
1778
Portrait of Francois Justin Vulliamy (1712 – 1797)
1760-1790
Small musical table clock
1775-1799
Pharmacy storage jar used for theriac
1725-1755
Drug jar for cinchona bark
1701-1730
Medal commemorating the Montgolfier unmanned balloon ascent
1783
Medal commemorating balloon flight of Blanchard at Frankfurt
1785
Pharmacy jar for bugloss
1725-1775
Cutter, Alert
1755
Demainbray's model scorpion catapult
1745-1755
‘Medico-Electrical Machine’ by Nairne and Blunt
1782-1793
Pocket microscope by Jeremiah Sisson
1752
Small orrery by Benjamin Martin
1738-1777
Mural arc made for King George III
1770
Lunardi's second balloon ascending from St. George's Fields, 1785
1785-1790
Satirical print of a failed balloon launch from Foley House, London in 1784
1784
Demainbray's cometarium
1750-1760
Edmund Culpeper
1720
100 Link Steel Surveying Chain, 1784.
1784
Clarke's Hydrometer (c. 1755)
1755
Demainbray's wharf jib crane model
1729-1753