Model 'Maximum machine', before 1753.
1740-1753
Tumbler, horn, with silver strip around rim, 1742
1742
Demainbray's convex lens
1750
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Demainbray's turquoise disc
1745-1755
Demainbray's yellow disc
1745-1755
Etching of an electrically powered garden
1755
Demainbray's cometarium
1750-1760
Gold amulet in the form of a cobra
2000-100 BCE
Square signed "J.Ramsden, 1757"
1757
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Pocket microscope by Jeremiah Sisson
1752
Demainbray's Archimedean screw
1752
Clarke's Hydrometer (c. 1755)
1755
Demainbray's model scorpion catapult
1745-1755
Cutter, Alert
1755
Freud electronic laughing ball
1990-96
Demainbray's scioptric ball
1745-1755
Demainbray's convex mirror
1752
Demainbray's model of a camera obscura
1752
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Model diving bell with 12 sinking weights
before 1753
Demainbray's optical model
1752
Demainbray's optical model
1752
Demainbray's four wheeled wagon model
1751
Demainbray's optical model
1752
Demainbray's optical model
1752
Demainbray's compound microscope
1745
Model to demonstrate the path of a projectile
1740-1753
Neolithic flint scraper
4000-2001 BCE
Male urinal, Netherlands, 1740-1760
1740-1760
Model of Hooke's universal joint
1760
Section of track
1745-1755
Cutter, Alert
1755
Perforated bronze medal by Antonio Selvi
1745
Portrait. Sir Samuel Garth. Engraving 1748
1748
Frame to demonstrate parallelogram of forces
1752
Glass sphere on a stand
1750
Model: showing concave lens virtual image
1752-1755
Bridge frame
1750
Terrestrial telescope, 1752.
1752
Model: submersible brass mesh cage
before 1753
Balance beam, steel, boxwood
1745-1755
Scroll foot (Cuff type) microscope by John Cuff, London, c. 1750
1745-1755
Brass protractor with two blades for setting out and measuring angles
1740-1749
Protractor, silver 2 1/16 inches diameter
1740-1760
Dissecting microscope, c. 1750
1745-1755
Silver Coin of Augustus III (Poland)
1760
Roman Coin of Tiberius
30 CE
Roman Coin of Tiberius
30 CE