Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Electrical chimes by George Adams
1781-1790
Rawhide bag for storing cinchona bark
1777-1785
Refracting telescope with achromatic lens, made by the Dollond family
1760-1775
Theodolite used for the Principal Triangulation of Great Britain
1791
Marine chronometer by John Arnold and Son
1795
Arkwright's Water Frame
1775
Arkwright's Water Frame, 1775
1775
Seal die, Ashby De La Zouch Canal Company
1794
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Mezzotint portrait of Benjamin Franklin
1762
Pair of bar magnets in box
1750-1795
Etching of an electrically powered garden
1755
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
Cutter, Alert
1755
Demainbray's Archimedean screw
1752
Demainbray's convex lens
1750
‘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
Satirical print of a failed balloon launch from Foley House, London in 1784
1784
Demainbray's cometarium
1750-1760
100 Link Steel Surveying Chain, 1784.
1784
Clarke's Hydrometer (c. 1755)
1755
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
Section of lightning conductor from St Paul’s cathedral
1769
Square signed "J.Ramsden, 1757"
1757
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Glass bell jar with a brass collar
1761
King George III's friction machine
1762
George III's apparatus for oblique and compound collision
1762
Double brass stand for bell jars on a brass pillar
1761
model carriage chassis with two axles, 1762
1762
George III's cycloidal pendulum
1762
George III's tidal demonstration model
1762
King George III's central forces machine
1762
George III's pendulum
1762
Deck-watch used by Capt. George Vancouver on board HMS Discovery 1791-5
1791
Pivoted-detent escapement watch by Larcum Kendall
1786
Pivoted-detent escapement watch by John Arnold
1776
Watch movement with spring detent escapement by John Arnold and Son
1787