George III's pendulum

1762

Portrait mezzotint print from engraving of Phelps Thomas and Bartlett John, 1778

1778

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

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

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

Demainbray's Archimedean screw

1752

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

Cutter, Alert

1755

Wax male figure showing the arteries of the body, Florence, Italy, 1776-1780

1776-1780

Spoon with folding handle

1778

Wax male figure showing the muscles of the body

1776-1780

Gold amulet in the form of a cobra

2000-100 BCE

Wax male figure showing the veins and some organs of the body, Florence, Italy, 1776-1780

1776-1780

Pair of ebony violin fingerboard shape and sized hollow fabrications

1758-1773

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

Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement

1705-1737

George III's compound engine

1762

Model diving bell with 12 sinking weights

before 1753

Demainbray's optical model

1752

George III's clockwork bell

1761

Demainbray's optical model

1752

Silver microscope by George Adams, c. 1761.

1763

Demainbray's convex mirror

1752

George III's philosophical table

1761-1762

Demainbray's four wheeled wagon model

1751

Demainbray's optical model

1752

Mezzotint portrait of John Bird

1776

Altazimuth theodolite by Benjamin Cole & Son

1755-1765

Mahogany cross-piece for an air pump

1761

English wooden doll

circa 1780

Refracting telescope with achromatic lens, made by the Dollond family

1760-1775