1269 results found
Five specimens showing the construction of the Atlantic Telegraph Cable, 1857
Stereotype plate giving the figure of a Chinese vase, by P.P. Thoms, printer, Warwick Square, London, one of collection of raw and manufactured products from the Great Exhibition of 1851
Specimen of 5-wire telegraph cable in wood - one of two pieces of Cooke and Wheatstone's first working telegraph, London, 1837
One of a group of specimens of electric telegraph apparatus - a stoneware telegraph insulator with a wooden arm
One of a group of specimens of electric telegraph apparatus - a stoneware telegraph insulator, of an old form
One of two pieces of submarine telegraph cable of shore end type laid in 1885 in the Persian Gulf, one piece dissected to show layers, made for the Persian Indo-European Telegraph Department, 1885
Piece of the Persian Gulf telegraph cable after 16 years submersion, 1850 - 1880
Model of Foster's patent stereo web printing and folding machine, used in newspaper offices, made in the museum workshop, scale one third, 1885
One of a historical collection of telegraph apparatus - a very early form of Siemens A.B.C. instrument
One of a historical collection of telegraph apparatus - Bright's bell receiver with relay
One of a historical collection of telegraph apparatus - a double plate sounder with relay