Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Ivoride (cellulose nitrate) mirror made by Daniel Spill
1873
Turnswitch with fuse (wire), c.1886 [lacks cover]
1886
Vertical contact switch, 1886
1886
Crompton solenoid operated lightning arrestor
1885
Ceiling rose
1880
Siemens electro-dynamometer, c.1882
1882
Uterine probe
1901-950
Clear glass "Smoke Bell"
1870
Swinton's microphonic telephone transmitter
1884
Experimental Watt hour meter
1882
United Patriots Rational Benefit Society
1876
Rocking Bar keyless watch mechanism
circa 1870
Clarke's patent electric gas lighter
1880
Portrait of Marc Seguin
1875
Set of 6 test tubes
1875-1880
Two washers
15/7/27
Specimen of Porthcurno shore end cable
1887
Charles Wheatstone
1876
Silicon steel bar fracture, 0.24% Si, 1884-1886
1884-1886
Specimen of 79% Fe-Mn, 1882-1884
1882-1884
Bell candlestick telephone, c. 1878.
1875-1880
Engraving, W.J.P.S after W. Bazett Murray
1878
Two washers
15/7/27
Engraving of Lambeth Gasworks
1872
Coil for Wiedemann's galvanometer
1876
Set of microscope slides prepared by Timothy Lewis
1872-1880
Lantern slides of filaguris sanguins hominis
1877
Microscope slides owned by Timothy Lewis
1872-1874
Polished stone (Chert) weight from excavations at Mohenjodaro
circa 3000 BCE
Pottery vase found at Nihawnad, Persia
3000 BCE
Polished stone (Chert) weight from excavations at Mohenjodaro
circa 3000 BCE
Polished stone (Chert) weight from excavations at Mohenjodaro
circa 3000 BCE
Polished stone (Chert) weight from excavations at Mohenjodaro
circa 3000 BCE
Polished stone (Chert) weight from excavations at Mohenjodaro
circa 3000 BCE
Air dried compressed peat
before 1875
Coal from Vancouver Coal Mines and Land Company's Colliery
before 1873
Coal from Vancouver Coal Mines and Land Company
before 1873
Coal from Sumatra
before 1872
Coal from the Island of Formosa
before 1872
"Thomas" coal
before 1873
"Davies" coal
before 1873
Oxide from near the charging door of the silver blast furnace in Cordurie's process. Par Smelting Works
1870
Slags from smelting calcined Utah ores in a flowing furnace
1871
Furnace accretion "Ofenbruch" after roasting
before 1872
Powdery deposit in the chimney
1870
Another example of a similar speiss
1870
Black scale-like crystals on the surface of a furnace brick. Morfa Silver Works
1870
Piece of one of the wooden precipitation vats after incineration
1871
Alloy of equal parts of silver and thallium. Made by William Crookes
1876