George III's pendulum
1762
Cubical polyhedral sundial
1751-1800
Model of early manual fire engine, ca. 1680.
1680
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
Small white cup in soft paste porcelain
1748-1763
Dover Castle turret clock
1632-1640
Gunter quadrant
1650-1725
Model of William Murdock's Oscillating Engine, 1785.
1785
Pair of ebony violin fingerboard shape and sized hollow fabrications
1758-1773
Long mahogany strip brass pin gauge with five pins
1758-1769
Short mahogany strip brass pin gauge with eight pins
1758-1769
Perspective drawing apparatus, incomplete, in integral mahogany case
1760-1770
Long mahogany strip brass pin gauge with eight pins
1758-1769
Section of lightning conductor from St Paul’s cathedral
1769
Small orrery by Benjamin Martin
1738-1777
Pharmacy storage jar used for theriac
1725-1755
Etching of an electrically powered garden
1755
Demainbray's Irish low-backed cart model
1735-1754.
Replica of refracting telescope by Galileo, 1610
1610
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
"The description and use of the Sector, Cross-staff and other Instruments", 2nd edition by Edmund Gunter
1636
Pair of bar magnets in box
1750-1795
Sector signed John Allen
1630-1642
Double brass stand for bell jars on a brass pillar
1761
Cupellation furnace
1696-1700
Pair of seventeenth-century dividers
1600-1699
Compendium by Elias Allen
1630-1653
Celestial globe by Willem Janszoon Blaeu
1603
Watt's end measuring machine
1776
Square signed "J.Ramsden, 1757"
1757
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
Divers Projets
1798
Mezzotint portrait of Benjamin Franklin
1762
Sector by Charles Whitwell
1600-11
Demainbray's speaking trumpet
1700-1752
George III's tidal demonstration model
1762
Stipple-engraved portrait of Margaret Bryan and two children
1797