Longcase clock by James and John Harrison
1728
Replica of the 'Baby' or SSEM computer
1998
Month-going longcase clock by John May
1700-1710
Astronomical table clock by Samuel Watson, believed to have belonged to Sir Isaac Newton
1690-1710
Geometrical Groin Vault, string surface model
1872
Longcase clock movement by John and James Harrison
1726-1728
Model steam locomotive
Astronomical longcase clock with a planetarium by Roland Jarvis
1982
Julius Totalisator
c. 1933
Longcase clock by John Fromanteel, originally fitted with a cross-beat escapement
1665-1670
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
Lantern clock by Knifton
1640-1662
Experimental carbon pencil microphone, 1878-1890
1878-1890
Pendulum clock by Pieter Visbach
1660
Longcase clock with tidal dial by Christopher Pinchbeck
1715-1725
Lantern clock by Peter Closon
1650-1660
Month-going longcase clock with a 1¼ seconds pendulum
1675-1685
Watson-Odelca x-ray set for mass miniature radiography, Europe, 1960-1961
1960-1961
Marine chronometer by E. Barthet, found on an abandoned ship
1840
Month-going longcase clock in a marquetry case by George Stratford
1700-1725
Lead-lined radioactive material container
1970-1990
Longcase clock in a marquetry case by William Cattell
1675-1685
Eight-day longcase clock by George Graham
1750
Small lantern clock with alarm signed George Graham
1750-1760
Type used for original Morse telegraph, 1835
1835
Demainbray's rat's tail crane model
1735-1753
Clock weight from long-case clock by Fromanteel
1660-1665
Block of Scintillator Crystals
1997-2000
George III's clockwork bell
1761
Gamma Photon Detector
1995-2000
Gamma Photon Detector
1986-1997
Lead weight marked 'Reid' from the first cross-Channel telegraph cable, 1850.
1850
Specimen of television cable, 1936
1936
Double brass stand for bell jars on a brass pillar
1761
Experimental microphones with carbon pencils and cups, 1878-1890
1878-1890
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