Edison's electric carbon filament lamp
1879
Longcase clock by James and John Harrison
1728
Month-going longcase clock by John May
1700-1710
Model steam locomotive
Geometrical Groin Vault, string surface model
1872
Longcase clock movement by John and James Harrison
1726-1728
Astronomical table clock by Samuel Watson, believed to have belonged to Sir Isaac Newton
1690-1710
Longcase clock by John Fromanteel, originally fitted with a cross-beat escapement
1665-1670
Julius Totalisator
c. 1933
Model (scale unknown) of contemporary ribbon loom, using Jacquard principles
1870
Eight-day longcase clock by Edward East in a later marquetry case
1675-1685
Experimental carbon pencil microphone, 1878-1890
1878-1890
Lantern clock by Peter Closon
1650-1660
Pendulum clock by Pieter Visbach
1660
Lantern clock by Knifton
1640-1662
Longcase clock with tidal dial by Christopher Pinchbeck
1715-1725
Watson-Odelca x-ray set for mass miniature radiography, Europe, 1960-1961
1960-1961
Month-going longcase clock in a marquetry case by George Stratford
1700-1725
Longcase clock in a marquetry case by William Cattell
1675-1685
Month-going longcase clock with a 1¼ seconds pendulum
1675-1685
Marine chronometer by E. Barthet, found on an abandoned ship
1840
Lead-lined radioactive material container
1970-1990
Eight-day longcase clock by George Graham
1750
Small lantern clock with alarm signed George Graham
1750-1760
Demainbray's rat's tail crane model
1735-1753
Type used for original Morse telegraph, 1835
1835
Clock weight from long-case clock by Fromanteel
1660-1665
Block of Scintillator Crystals
1997-2000
Gamma Photon Detector
1995-2000
George III's clockwork bell
1761
Gamma Photon Detector
1986-1997
Lead weight marked 'Reid' from the first cross-Channel telegraph cable, 1850.
1850
Double brass stand for bell jars on a brass pillar
1761
Experimental microphones with carbon pencils and cups, 1878-1890
1878-1890
Specimen of television cable, 1936
1936
Fixed gap discharger, 1900-1950
1900-1950
Cell used in interruptor circuit, 1875-1890
1875-1890
Packet, tied to wood lid, addressed “James Watt, Harper hill
1790-1819
Metal stand, weighted with two lead balls, one levelling screw.
1790-1819
Two pieces of lead
1790-1819
Lead plate with four holes
1790-1819
Piece of lead, with J. Watt and Co, reversed, cut in
1790-1819
22 pieces of cast lead, two marked 205
1790-1819
One packet: “Scotch black lead”
1790-1819
Two pieces of mahogany, one has lead attached
1790-1819
Two pieces of lead piping
1790-1819
Scale with metal stand for Thompson mirror speaking galvanometer, 1858
1858
Lens for narrowing light beam for Thomson mirror speaking galvanometer, 1858
1858
Hughes' printing telegraph, 1860.
1860
Round piece of lead, with hole through
1790-1819