Demainbray's convex lens
1750
Demainbray's turquoise disc
1745-1755
Gold amulet in the form of a cobra
2000-100 BCE
Demainbray's yellow disc
1745-1755
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Etching of an electrically powered garden
1755
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
Replica of 16th century German 'Hund' wagon, 1986
1986 (replica); 1501-1600 (original)
Section of track
1745-1755
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
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
Neolithic flint scraper
4000-2001 BCE
Viewer microscope, with bead lens, in square body
1888-185
Boxfoot microscope with ball-socketed pillar
1755
Sake pourer for marriage ceremony
1750
Flax Spinning Wheel
1745-1755
Microscope Accessories
1750
Diagonal Spy Glass
1750
Reading Glass (c.1750)
1750
Reading Glass (c.1750)
1750
Reading Glass (c.1750)
1750
Frame to demonstrate parallelogram of forces
1752
Tubes for the whirling table
1753
Glass sphere on a stand
1750
Model: showing concave lens virtual image
1752-1755
Six ivory balls
1750
Glass bell, with suspension ring
1750
Balance beam, steel, boxwood
1745-1755
Medal commemorating Richard Mead, physician
1754
One cinquina
1752
Bronze medal
1747-1749
Gilded bronze medal by Antonio Selvi
1745
Perforated bronze medal by Antonio Selvi
1745
English tin-glazed earthenware pharmacy jar
1750