Demainbray's hydrostatic paradox vessels
1735-1752
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Tumbler, horn, with silver strip around rim, 1742
1742
Hindley's pyrometer and three expansion tubes made by Henry Hindley
1752
Gold amulet in the form of a cobra
2000-100 BCE
Pocket microscope by Jeremiah Sisson
1752
Demainbray's Archimedean screw
1752
Demainbray's convex lens
1750
Demainbray's rat's tail crane model
1735-1753
Model 'Maximum machine', before 1753.
1740-1753
Demainbray's convex mirror
1752
Freud electronic laughing ball
1990-96
Demainbray's model of a camera obscura
1752
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 optical model
1752
Orrery by Thomas Wright
1735-1745
Demainbray's four wheeled wagon model
1751
Model of Vauloue's piledriver
1737-1752
Demainbray's optical model
1752
Demainbray's optical model
1752
Demainbray's compound microscope
1745
Model to demonstrate the path of a projectile
1740-1753
Neolithic flint scraper
4000-2001 BCE
Ear trumpet
1752
Wooden backstaff or Davis quadrant made by John Gilbert on Tower Hill
1730; 1967
Harpenden pocket stadiometer sent out to Ludlow Boys' School as part of a series of nationwide measurements
1972-3
Plano-convex brick, Ubaid, Iraq, c 2500 BC.
2500 BCE
Length of red silk ribbon worn as a belt to promote general good health
1880-120
5 lancets
1744
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Mahogany and brass reflecting quadrant
1748
Replica of Islamic Astrolabe
1066; 1876
Set of flat troy penny weights in fitted mahogany case
1737
A Chain Bridge
1753
NEMA cryptography machine type T-D
1945-50
A table of the Days and Months For Ever
1735-1745
Reading Glass (c.1750)
1750
Microscope (c.1738)
1738
Microscope (c.1740)
1740
Universal double microscope (body) (c.1746)
1746
Waywiser, British, 1739
1739
Lead-glazed earthenware albarello
1736
Excavated neolithic flint perhaps used for trephination
3000-1500
Simple aquatic microscope
1745
Six ivory balls
1750
Level by Benjamin Cole
1750
Pharmacy vase, Italy, 1740
1740
Trade Bill Le Sr. Magny
1750