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
Pair of bar magnets in box
1750-1795
Divers Projets
1798
Etching of an electrically powered garden
1755
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
'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
Repeating watch with unusual escapement by Abraham-Louis Breguet
1795
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
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
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
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
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
Barnard Tompion clock
1708
Demainbray's wharf jib crane model
1729-1753
Demainbray's rat's tail crane model
1735-1753
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
‘Visual glasses’ designed by Benjamin Martin
1756-1800
Section of lightning conductor from St Paul’s cathedral
1769
Square signed "J.Ramsden, 1757"
1757