George III's pendulum
1762
Cubical polyhedral sundial
1751-1800
King George III's central forces machine
1762
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
East Indiaman Herefordshire
1815
Model of William Murdock's Oscillating Engine, 1785.
1785
Small crucible, large broken piece missing
1790-1819
Crucible, broken, with three fragments present
1790-1819
Wood and iron truss for sculpture machine
1790-1819
One plaster mould
1790-1819
9" Dovetail saw with open mahogany handle, brass back and steel blade
1790-1819
Steel bradawl with turned hickory handle, brass ferrule and securing nut
1758-1819
Plaster five-part arm mould
1790-1819
Crucible, piece missing, fused substance within
1790-1819
Part of four-part plaster split mould, rear of head and neck of James Watt, by James Watt
1790-1819
Pair of ebony violin fingerboard shape and sized hollow fabrications
1758-1773
Four-part plaster leg
1790-1819
Spirit level
1790-1819
Plaster mould
1790-1819
Long mahogany strip brass pin gauge with five pins
1758-1769
Box containing minerals and mixing sticks
1790-1819
Short mahogany strip brass pin gauge with eight pins
1758-1769
Perspective drawing apparatus, incomplete, in integral mahogany case
1760-1770
Piece of wood ,
1790-1819
Piece of wood, one side partly cut out
1790-1819
Part of four-part plaster split mould
1790-1819
Long mahogany strip brass pin gauge with eight pins
1758-1769
Section of lightning conductor from St Paul’s cathedral
1769
Etching of an electrically powered garden
1755
Ready reckoner for ship's cargoes
1807
Gold amulet in the form of a cobra
2000-100 BCE
Glass bell jar with a brass collar
1761
Double brass stand for bell jars on a brass pillar
1761
Stipple-engraved portrait of Benjamin Martin
1815
Watt's end measuring machine
1776
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
model carriage chassis with two axles, 1762
1762
Divers Projets
1798
Mezzotint portrait of Benjamin Franklin
1762
George III's tidal demonstration model
1762
Stipple-engraved portrait of Margaret Bryan and two children
1797
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Pocket microscope by Jeremiah Sisson
1752
Letter opener with calendar and map, 1893-1894
1893-4