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
Small white cup in soft paste porcelain
1748-1763
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
Pharmacy storage jar used for theriac
1725-1755
Etching of an electrically powered garden
1755
Demainbray's Irish low-backed cart model
1735-1754.
Demainbray's cometarium
1750-1760
Lancet owned by Edward Jenner
1720-1800
Demainbray's hydrostatic paradox vessels
1735-1752
Gold amulet in the form of a cobra
2000-100 BCE
Glass bell jar with a brass collar
1761
Adjustable dental pelican with two claws
1720-1800
Demainbray's polemoscope
1701-1752
Pair of bar magnets in box
1750-1795
Double brass stand for bell jars on a brass pillar
1761
Stipple-engraved portrait of Benjamin Martin
1815
Cupellation furnace
1696-1700
Watt's end measuring machine
1776
100 Link Steel Surveying Chain, 1784.
1784
Demainbray's syphon
1701-1752
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