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
Stud field regulator, 1900-1950
1900-1950
Henley needle galvanometer, 1855-1860
1855-1860
Specimen of Dover-Calais telegraph cable, 1851
1851
Thirty pair PVC insulated and sheathed armoured cable, 1933-1969
1933-1969
Copper busbars and ebonite insulators, 1900-1950
1900-1950
Sample of deep-sea section of first transatlantic cable, 1857-1858
1857-1858
Stock Exchange automatic telegraph, 1872-1880
1872-1880
Coaxial cable sample, 1948-1967
1948-1967
Steljes ABC type printing telegraph receiver No. 477
1895-1910
Trough battery, 1801-1838
1801-1838
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
Specimen of telegraph cable laid in Birmingham in 1856
1856
Hertzian receiving resonator, 1890-1894
1890-1894
Cable grappling illustration, 1874-1924
1874-1924
Rotary convertor, 1900-1950
1900-1950
De Forest syntoniser, 1902-1907
1902-1907
Atlantic cable specimen, 1865
1865
Coherer, ebonite, with adjustable contacts, 1890-1896
1890-1896
Sample of the first transatlantic cable, 1857-1858
1857-1858
Letter written by William Thomson (Lord Kelvin), 1858
1858-03-02
Polythene insulated copper conductor cable, 1939-1969
1939-1969
Magnetic key, 1850-1870
1850-1870
Blotter with Western Telegraph Company markings, 1900-1960
1900-1960
Morse key with send-receive switch, 1900-1920
1900-1920
Guard lamps on wooden board, 1900-950
1900-1950
Specimens of Pacific cable in glazed presentation case, 1902-1923
1902-1923
1500-pair exchange area cable, 1969
1969
A.B.C. telegraph transmitter, 1835-1845
1835-1845
Ashtray and matchbox holder advertising the Eastern Telegraph Company, 1901-1929
1901-1929
Morse key, 1850-1870.
1850-1870
Ring transformer, 1892
1892
Letter opener with calendar and map, 1893-1894
1893-4
Replica of the first Morse telegraph, 1835
1934
Aerial tuning inductance, 1900-1950
1900-1950
Stroh's type-printer for Wheatstone ABC communicator, 1870-1881
1870-1881
Single-needle telegraph by W. F. Cooke, 1840-1860
1840-1860
Murray multiplex tape transmitter, 1910-1920
1910-1920
Cable for aerial installation, 1930-1962
1930-1962
Seventy five pair polythene insulated and sheathed distribution cable, 1933-1969
1933-1969
Morse tape on which signals were recorded by means of a coherer, 1900
1900
Sample of deep-sea section of first transatlantic cable, 1857-1858
1857-1858
Hertzian oscillator, 1890-1894
1890-1894
Sample of four-core telegraph cable connecting Vancouver Island with the mainland
1904
Single needle telegraph, 1846
1846