Etching of an electrically powered garden

1755

Demainbray's turquoise disc

1745-1755

Demainbray's yellow disc

1745-1755

Square signed "J.Ramsden, 1757"

1757

Hindley's pyrometer and three expansion tubes made by Henry Hindley

1752

Pocket microscope by Jeremiah Sisson

1752

Demainbray's Archimedean screw

1752

Clarke's Hydrometer (c. 1755)

1755

Demainbray's model scorpion catapult

1745-1755

Demainbray's convex lens

1750

Cutter, Alert

1755

Doorcase 56 Lincoln’s Inn Fields

circa 1750

Tumbler, horn, with silver strip around rim, 1742

1742

Model 'Maximum machine', before 1753.

1740-1753

Gold amulet in the form of a cobra

2000-100 BCE

Demainbray's cometarium

1750-1760

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 scioptric ball

1745-1755

Demainbray's optical model

1752

Demainbray's convex mirror

1752

Demainbray's four wheeled wagon model

1751

Demainbray's optical model

1752

Demainbray's optical model

1752

Demainbray's compound microscope

1745

Section of track

1745-1755

Cutter, Alert

1755

Male urinal, Netherlands, 1740-1760

1740-1760

Freud electronic laughing ball

1990-96

Model of Hooke's universal joint

1760

Demainbray's model of a camera obscura

1752

Model to demonstrate the path of a projectile

1740-1753

Neolithic flint scraper

4000-2001 BCE

Axe head shaped flint

10000-5000 BCE

Iron Weight

1910-130

John Bennet

1740

Microscope (dated 1744)

1744

Microscope (dated 1754)

1754

Compass microscope for opaque objects

1740

A Chain Bridge

1753

Verge repeating watch

1713-1750

Coloured engraving of Prior Park

1750

Simple aquatic microscope

1745

Microscope (c.1750-60)

1750-1760

Chest microscope

1750

John Bristow

1754

Pamphlet for pocket microscope by James Mann and James Ayscough

1743

Richd Arkwright, Peruke maker

1750-1760

Engraving, A First View of Practical Chymistry

1747