Long mahogany strip brass pin gauge with five pins
1758-1769
Long mahogany strip brass pin gauge with eight pins
1758-1769
Short mahogany strip brass pin gauge with eight pins
1758-1769
Perspective drawing apparatus, incomplete, in integral mahogany case
1760-1770
Pair of ebony violin fingerboard shape and sized hollow fabrications
1758-1773
George III's weighted cylinder
1762
Demainbray's Archimedean screw
1752
Unweighted cylinder in frame
1762
George III's pendulum
1762
King George III's central forces machine
1762
Section of lightning conductor from St Paul’s cathedral
1769
Etching of an electrically powered garden
1755
Gold amulet in the form of a cobra
2000-100 BCE
Glass bell jar with a brass collar
1761
Double brass stand for bell jars on a brass pillar
1761
Square signed "J.Ramsden, 1757"
1757
model carriage chassis with two axles, 1762
1762
Mezzotint portrait of Benjamin Franklin
1762
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
Clarke's Hydrometer (c. 1755)
1755
Expedition Crane
1764
George III's cycloidal pendulum
1762
George III's apparatus for oblique and compound collision
1762
Mural arc made for King George III
1770
Cutter, Alert
1755
Short mahogany strip brass pin gauge with five pins
1758-1769
Freud electronic laughing ball
1990-96
Mezzotint: Portrait of John Arnold
1770
Dial micrometer, 1760-1772.
1760-1772
Demainbray's convex mirror
1752
Eight ebony violin fingerboard shape and sized hollow fabrications
1758-1773
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
Altazimuth theodolite by Benjamin Cole & Son
1755-1765
Demainbray's optical model
1752
Demainbray's model of a camera obscura
1752
Wood moulding plane, dated 1771
1771
Arkwright's prototype spinning machine, 1769.
1769
Model of Hooke's universal joint
1760
Mahogany cross-piece for an air pump
1761
George III's double-barrelled air pump
1761
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
George III's compound engine
1762
7/8" steel gouge with octagonal hickory handle
1758-1769