Gold amulet in the form of a cobra
2000-100 BCE
Letter opener with calendar and map, 1893-1894
1893-4
Sample of gutta percha insulated cable, 1863-7
1863-7
'Dr Syntax and his wife making an experiment in pneumatics', print, London, England, 1820
1820
Slide rule for exchange of weights and measures
1815
Copy of Chamberlen obstetric forceps
1813
Hedley's experimental model for testing adhesion.
1812
East Indiaman Herefordshire
1815
Stipple-engraved portrait of Benjamin Martin
1815
Silver Regency tripod mustard pot
1811-1812
'Haystack' Boiler, 1775-1799
1775-1799 (original); 1900-1907 (model)
Sunderland ware jug decorated with pink lustre bands and splashes
1813
Freud electronic laughing ball
1990-96
Piston and Rod, from Newcomen Pumping Engine 'Old Sarah'
1815
Original preparation of quinine by Pelletier and Caveton
1820
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Atmospheric Engine by John Smeaton, 1772
1772 (original); 1919 (model)
Model, of Woolf's Water Tube Boiler, 1819
1819
Neolithic flint scraper
4000-2001 BCE
Silver ear trumpet hearing aid, London, England, 1814
1814
Two coloured aquatints of hobby horses
1819
May - Study No 167
1870-10
Walker's Railway Time Table, and Coach, Omnibus and Carriers' List
1883-01
Wooden backstaff or Davis quadrant made by John Gilbert on Tower Hill
1730; 1967
Photograph of Fern Leaf
1836-02
Lorina, Edith and Alice Liddel
1872-08
Brass die with corresponding paper conversion scale
1816
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
Wood tobacco pipe
1860-1820
Lancet case
1819-1820
Brass Sikes hydrometer by R.B. Bate
1816
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Spirit bubbles in mahogany case by J & J Gardner
circa 1820
Silver vinaigrette
1818
S.Smith's escapement
1812
Replica of Islamic Astrolabe
1066; 1876
Toothbrush, silver, by I
1814
Implements Animated
1811
Water-colour. Mr. Sadler's balloon ascent at Hackney
1811
Viewer microscope, with bead lens, in square body
1888-185
NEMA cryptography machine type T-D
1945-50
Mr. Sadler
1815
Set of money scales in sharkskin case
1820
Excavated neolithic flint perhaps used for trephination
3000-1500
Musical cryptographic device
1812
Binks' burettes and a Wollaston slide rule
1814
Hydrometer in case with weights
1820
Thermometer, with ivory scale (c.1820)
1820