George III's pendulum
1762
King George III's central forces machine
1762
Section of lightning conductor from St Paul’s cathedral
1769
Small orrery by Benjamin Martin
1738-1777
The Improved Pedometer or Waywiser
1765-1806
Etching of an electrically powered garden
1755
Ready reckoner for ship's cargoes
1807
Demainbray's Irish low-backed cart model
1735-1754.
Demainbray's turquoise disc
1745-1755
horological gravers
1850-1900
Demainbray's hydrostatic paradox vessels
1735-1752
Trade card for John Yarwell, optician, London, England, 1697
1697
Glass bell jar with a brass collar
1761
horological file
1850-1900
Demainbray's polemoscope
1701-1752
"The description and use of the Sector, Cross-staff and other Instruments", 2nd edition by Edmund Gunter
1636
Sector signed John Allen
1630-1642
Pair of bar magnets in box
1750-1795
Demainbray's yellow disc
1745-1755
Double brass stand for bell jars on a brass pillar
1761
Horological gravers with an oval profile
1850-1900
Horological gravers with triangular profile
1850-1900
‘Medico-Electrical Machine’ by Nairne and Blunt
1782-1793
Pair of seventeenth-century dividers
1600-1699
horological rubber
1850-1900
Compendium rule signed Humfrey Cole
1574
Compendium by Elias Allen
1630-1653
Celestial globe by Willem Janszoon Blaeu
1603
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
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
Sector by Charles Whitwell
1600-11
Gunter quadrant
1650-1725
Demainbray's speaking trumpet
1700-1752
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
Gunter quadrant by Walter Hayes
1648-1687
Thomas Tuttell
1695-1702
Demainbray's Archimedean screw
1752
horological gravers
1850-1900
Unweighted cylinder in frame
1762
Silver sundial by Hunfrey Cole
1568-1590