George III's pendulum

1762

Cubical polyhedral sundial

1751-1800

Medal commemorating the Montgolfier unmanned balloon ascent

1783

Medal, Blanchard's balloon ascent, Nuremberg, Germany, 1787

1785

Medal commemorating balloon flight of Blanchard at Frankfurt

1785

Half-penny coin

1806

Portrait mezzotint print from engraving of Phelps Thomas and Bartlett John, 1778

1778

King George III's central forces machine

1762

Section of lightning conductor from St Paul’s cathedral

1769

The Improved Pedometer or Waywiser

1765-1806

Etching of an electrically powered garden

1755

Ready reckoner for ship's cargoes

1807

Glass bell jar with a brass collar

1761

Pair of bar magnets in box

1750-1795

Double brass stand for bell jars on a brass pillar

1761

‘Medico-Electrical Machine’ by Nairne and Blunt

1782-1793

Watt's end measuring machine

1776

Two Perkins 'tractors'

1795-1805

Square signed "J.Ramsden, 1757"

1757

100 Link Steel Surveying Chain, 1784.

1784

George III's weighted cylinder

1762

Satirical print of a failed balloon launch from Foley House, London in 1784

1784

Lunardi's second balloon ascending from St. George's Fields, 1785

1785-1790

model carriage chassis with two axles, 1762

1762

Divers Projets

1798

Mezzotint portrait of Benjamin Franklin

1762

George III's tidal demonstration model

1762

Hindley's pyrometer and three expansion tubes made by Henry Hindley

1752

Pocket microscope by Jeremiah Sisson

1752

King George III's friction machine

1762

Demainbray's Archimedean screw

1752

Unweighted cylinder in frame

1762

Pocket globe in case by Dudley Adams

1799-1802

Clarke's Hydrometer (c. 1755)

1755

Demainbray's convex lens

1750

Seal die, Ashby De La Zouch Canal Company

1794

Wooden figure of man practising moxibustion

1750-1800

Joseph Priestley LLD FRS

1782

Praeclarissimus Isaacus Newton Eques

1787

Expedition Crane

1764

Chronometer watch in silver case by John Arnold and Son

hallmarked 1788

George III's cycloidal pendulum

1762

George III's apparatus for oblique and compound collision

1762

‘Visual glasses’ designed by Benjamin Martin

1756-1800

'Bell-crank' engine, c. 1799

1795-1805 (original)

Mural arc made for King George III

1770

Stanhope square demonstrator, c.1805.

circa 1805

Cutter, Alert

1755

Doorcase 56 Lincoln’s Inn Fields

circa 1750

Filar micrometer by William Herschel, 1780-1800

1780-1800