Cubical polyhedral sundial
1751-1800
Arkwright's Water Frame, 1775
1775
Rotative Steam Engine by Boulton and Watt, 1788
1788
Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
Theodolite used for the Principal Triangulation of Great Britain
1791
Seal die, Ashby De La Zouch Canal Company
1794
Small screw-cutting device or fusee engine for clock-maker's use
circa 1800
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Demainbray's Archimedean screw
1752
Mezzotint portrait of Benjamin Franklin
1762
Demainbray's convex lens
1750
Pair of bar magnets in box
1750-1795
Divers Projets
1798
Etching of an electrically powered garden
1755
Stipple-engraved portrait of Margaret Bryan and two children
1797
Netsuke depicting man with moxa on leg
1771-1800
Wooden figure of man practising moxibustion
1750-1800
Conjectural model of Trevithick's locomotive 'Catch-me-who-can'
1808
Reproduction in wood. No 127
1808
Reproduction in wood, Dr Joseph Black
1809
Stanhope square demonstrator, c.1805.
circa 1805
Ready reckoner for ship's cargoes
1807
‘Medico-Electrical Machine’ by Nairne and Blunt
1782-1793
Pocket microscope by Jeremiah Sisson
1752
Satirical print of a failed balloon launch from Foley House, London in 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
The Improved Pedometer or Waywiser
1765-1806
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
Chronometer in Gold Case by Thomas Earnsham, 1795-1810
1795-1810
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
Watch with four outer cases, made by Edward Prior for the Turkish export market
1800
Pivoted-detent escapement watch by John Arnold
1776
Spring-detent escapement watch in a gold case by Reid & Co. London
1807
Watch movement with spring detent escapement by John Arnold and Son
1787
Souscription watch, by Abraham-Louis Breguet
1805
Deck watch by John Arnold and Son
1790