Demainbray's turquoise disc
1745-1755
Demainbray's yellow disc
1745-1755
Doorcase 56 Lincoln’s Inn Fields
circa 1750
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
Square signed "J.Ramsden, 1757"
1757
George III's weighted cylinder
1762
Unweighted cylinder in frame
1762
Clarke's Hydrometer (c. 1755)
1755
Mural arc made for King George III
1770
Plane table outfit by Benjamin Cole
1750-1766
Saw used by Samuel Crompton
1750-1770
George III's pendulum
1762
King George III's central forces machine
1762
Double brass stand for bell jars on a brass pillar
1761
model carriage chassis with two axles, 1762
1762
George III's tidal demonstration model
1762
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
King George III's friction machine
1762
George III's cycloidal pendulum
1762
George III's apparatus for oblique and compound collision
1762
Small white cup in soft paste porcelain
1748-1763
Etching of an electrically powered garden
1755
Demainbray's cometarium
1750-1760
Gold amulet in the form of a cobra
2000-100 BCE
Glass bell jar with a brass collar
1761
Mezzotint portrait of Benjamin Franklin
1762
Pocket microscope by Jeremiah Sisson
1752
Demainbray's Archimedean screw
1752
Demainbray's model scorpion catapult
1745-1755
Demainbray's convex lens
1750
Expedition Crane
1764
Cutter, Alert
1755
Demainbray's scioptric ball
1745-1755
Demainbray's convex mirror
1752
Section of track
1745-1755
Mezzotint: Portrait of John Arnold
1770
Freud electronic laughing ball
1990-96
Demainbray's model of a camera obscura
1752
7/8" steel gouge with octagonal hickory handle
1758-1769
Short mahogany strip brass pin gauge with five pins
1758-1769
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Altazimuth theodolite by Benjamin Cole & Son
1755-1765
Magnetic toy by George Adams
1765
Arkwright's prototype spinning machine, 1769.
1769
Model diving bell with 12 sinking weights
before 1753
Demainbray's optical model
1752