Telegraphy Collection (page 4)

William Thomson, Lord Kelvin in 1869 (c1890). Kelvin (1824-1907) Irish-born Scottish mathematician and physicist

Edouard Branly, French physicist, 20th century. Artist: J-P Legastelois
Edouard Branly, French physicist, 20th century. Branly (1844-1940) was a pioneer of early radio and inventor of the coherer (1892). Obverse of commemorative medal

One of General Grants Union Field Telegraph stations during the American Civil War, 1861-1865

Telegraph construction camp during the American Civil War, 1861-1865

Female telegraph workers, 1871. Women working in the main (telegraph) instrument room, Post Office Telegraph Headquarters, Telegraph Street, London

Oliver Lodge, British physicist, 1904. Artist: Spy
Oliver Lodge, British physicist, 1904. Lodge (1851-1940) is best remembered for his investigations into the propagation of electromagnetic waves

Lord Kelvin, Scottish physicist and mathematician, 1897. Artist: Spy
Lord Kelvin, Scottish physicist and mathematician, 1897. Born William Thomson, Lord Kelvin (1824-1907) was educated at Glasgow and Cambridge

Lesage experimenting with the first electric telegraph, Geneva, 1774 (1876). George Louis Lesage (1724-1803), Swiss scientist, devised an early form of electric telegraph

Lord Kelvin, Irish-born Scottish mathematician and physicist, c1900. Born William Thomson, Lord Kelvin (1824-1907) was educated at Glasgow and Cambridge

Heliograph, c1900. The Heliograph, a visual telegraph for sending and receiving messages by means of mirrors and sunlight

Aerial Telegraph: Ancient Greek soldiers tending a signal fire, c1900. It is claimed that news could be transmitted 525 km in a night. Trade card for Liebig Meat Extract

Aerial telegraph: ancient Roman signal towers, c1900. A basket containing fire was hung from an arm near the top of the tower and used to signal a message to the next tower in a chain

Very High Farming, 1870. Artist: Joseph Swain
Very High Farming, 1870. Science stands in a field holding a telegraph pole, complete with wires. The representative of the countrys farmers, scratches his head in wonder

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