Stud field regulator, 1900-1950
1900-1950
'MPB' call sign plaque, 1900-1950
1900-1950
Coaxial cable sample, 1948-1967
1948-1967
Mirror galvanometer for the transatlantic telegraph, 1858
1858
Letter written by William Thomson (Lord Kelvin), 1858
1858-03-02
Guard lamps on wooden board, 1900-950
1900-1950
Lord Kelvin's 'ironclad' marine galvanometer, 1865-1866
1865-1866
Willis world clock, 1929-1935
1929-1935
Thomson's mirror marine galvanometer, 1858
1858
Atlantic Telegraph Cable Souvenir, 1873
1873-1920
Specimen of Dover-Calais telegraph cable, 1851
1851
Sample of deep-sea section of first transatlantic cable, 1857-1858
1857-1858
Atlantic cable specimen, 1865
1865
Sample of the first transatlantic cable, 1857-1858
1857-1858
Sample of deep-sea section of first transatlantic cable, 1857-1858
1857-1858
Sample of submarine telegraph cable, 1866
1866
Machine used for covering wires with silk and cotton, 1837
1837
Moving magnet galvanometer with dial inscribed "Greenwich Mean Time", 1843-1897
1843-1897
Cylinder electrical machine, 1810-1817
1810-1817
Trough battery, 1801-1838
1801-1838
Cable grappling illustration, 1874-1924
1874-1924
Polythene insulated copper conductor cable, 1939-1969
1939-1969
Blotter with Western Telegraph Company markings, 1900-1960
1900-1960
1500-pair exchange area cable, 1969
1969
Letter opener with calendar and map, 1893-1894
1893-4
Sample of four-core telegraph cable connecting Vancouver Island with the mainland
1904
Pair PVC insulated and sheathed cable, steel wire armour, 1930-1962
1930-1962
OALC4 DA fibre optic submarine cable, 1999
1999
Lucas grapnel, 1888-1960
1888-1960
Flag from Cable Ship 'Faraday' (sunk 1941), 1923-1941
1923-1941
High frequency sliding inductance on wood base, 1900-1950
1900-1950
Wooden pillar insulators, 1900-1950
1900-1950
Henley needle galvanometer, 1855-1860
1855-1860
Thirty pair PVC insulated and sheathed armoured cable, 1933-1969
1933-1969
Copper busbars and ebonite insulators, 1900-1950
1900-1950
Stock Exchange automatic telegraph, 1872-1880
1872-1880
Steljes ABC type printing telegraph receiver No. 477
1895-1910
Marconi coherer and Admiralty pattern decoherer, 1900-1910
1900-1910
Wheatstone automatic tape transmitter, 1840-1860
1840-1860
Syntonic Leyden jars, 1880-1889
1880-1889
Bright's bell telegraph, 1855
1855
Specimen of telegraph cable laid in Birmingham in 1856
1856
Hertzian receiving resonator, 1890-1894
1890-1894
Rotary convertor, 1900-1950
1900-1950
De Forest syntoniser, 1902-1907
1902-1907
Coherer, ebonite, with adjustable contacts, 1890-1896
1890-1896
Magnetic key, 1850-1870
1850-1870
Morse key with send-receive switch, 1900-1920
1900-1920
Specimens of Pacific cable in glazed presentation case, 1902-1923
1902-1923
A.B.C. telegraph transmitter, 1835-1845
1835-1845