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
Etching of an electrically powered garden
1755
Gold amulet in the form of a cobra
2000-100 BCE
Mezzotint portrait of Benjamin Franklin
1762
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Demainbray's Archimedean screw
1752
Spoon with folding handle
1778
Wax male figure showing the arteries of the body, Florence, Italy, 1776-1780
1776-1780
Wax male figure showing the veins and some organs of the body, Florence, Italy, 1776-1780
1776-1780
Wax male figure showing the muscles of the body
1776-1780
Pair of ebony violin fingerboard shape and sized hollow fabrications
1758-1773
Cutter, Alert
1755
George III's pendulum
1762
King George III's central forces machine
1762
Glass bell jar with a brass collar
1761
Double brass stand for bell jars on a brass pillar
1761
Watt's end measuring machine
1776
Square signed "J.Ramsden, 1757"
1757
George III's weighted cylinder
1762
model carriage chassis with two axles, 1762
1762
George III's tidal demonstration model
1762
Pocket microscope by Jeremiah Sisson
1752
King George III's friction machine
1762
Unweighted cylinder in frame
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
Portrait mezzotint print from engraving of Phelps Thomas and Bartlett John, 1778
1778
Section of lightning conductor from St Paul’s cathedral
1769
English wooden doll
circa 1780
Model diving bell with 12 sinking weights
before 1753
Demainbray's optical model
1752
Demainbray's optical model
1752
Demainbray's convex mirror
1752
Demainbray's four wheeled wagon model
1751
Demainbray's optical model
1752
Engraving of a demonstration to compare lightning conductor designs
1778-1780
Demainbray's optical model
1752
Demainbray's model of a camera obscura
1752
Mezzotint: Portrait of John Arnold
1770
Achromatic doublet lens with a focal length of 52 inches
1780
Atmospheric Engine by John Smeaton, 1772
1772 (original); 1919 (model)
Neolithic flint scraper
4000-2001 BCE
Freud electronic laughing ball
1990-96
Wood moulding plane, dated 1771
1771