247 résultats pour : communications

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US President Richard Nixon and Chinese Premier Zhou Enlai

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US President Richard Nixon and Chinese Premier Zho...

German sorting office in Paris, during the German occupation of France in World War Two

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German sorting office in Paris, during the German ...

A train dispatcher using a Morse key to send a message down the line on the railway telegraph system

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A train dispatcher using a Morse key to send a mes...

The use of speaking tubes on the bridge of a naval vessel for communicating with other decks

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The use of speaking tubes on the bridge of a naval...

Pages from a Naxi manuscript

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Pages from a Naxi manuscript

Sir Martin Ryle

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Sir Martin Ryle

Letter signed by Giulio Alberoni

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Letter signed by Giulio Alberoni

The pneumatic dispatch which the General Post Office used to transport parcels under London

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The pneumatic dispatch which the General Post Offi...

Photograph of Guglielmo Marconi's wireless telegraph station in Cornwall, which sent and received signals between England and America

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Photograph of Guglielmo Marconi's wireless telegra...

Pages from a Naxi manuscript

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Pages from a Naxi manuscript

Photograph taken of the United Nations' satellite enabling them to connect with operations around the world

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Photograph taken of the United Nations' satellite ...

Photograph of a technician holding a laser 'demodulator' used to convert laser light beams into television signals and radio sounds

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Photograph of a technician holding a laser 'demodu...

Town and country gentlemen chatting in a hedge-lined country lane

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Town and country gentlemen chatting in a hedge-lin...

Marconi'S wireless telegraph being used to report international yacht races

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Marconi'S wireless telegraph being used to report ...

The first letter to King Ludwig II of Bavaria

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The first letter to King Ludwig II of Bavaria

Vichy French civilians listening to a radio

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Vichy French civilians listening to a radio

Photograph of a technician holding a laser 'demodulator' used to convert laser light beams into television signals and radio sounds

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Photograph of a technician holding a laser 'demodu...

Khoikhoi man and woman in traditional dress

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Khoikhoi man and woman in traditional dress

Two elderly Khoikhoi men in European dress

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Two elderly Khoikhoi men in European dress

Mohandas Karamchand Gandhi 1869 – 1948), preeminent leader of the Indian independence movement in British-ruled India

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Mohandas Karamchand Gandhi 1869 – 1948), preeminen...

A mail train on which letters were sorted while it travelled through the night between cities

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A mail train on which letters were sorted while it...

A letter to King Ludwig II of Bavaria

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A letter to King Ludwig II of Bavaria

Portrait of Edward Whitehouse

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Portrait of Edward Whitehouse

Photograph of Guglielmo Marconi's cabin aboard the SS Minneapolis filled with his equipment

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Photograph of Guglielmo Marconi's cabin aboard the...

Letter sent to King Ferdinand II of Aragon

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Letter sent to King Ferdinand II of Aragon

Illustration of the 'Cooke and Wheatstone Telegraph' an early electrical telegraph system created by William Fothergill Cooke

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Illustration of the 'Cooke and Wheatstone Telegrap...

The construction of balloons in the Gare d'Orleans to carry information out of Paris during the Prussian siege

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The construction of balloons in the Gare d'Orleans...

A mail train on the Great Northern Line

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A mail train on the Great Northern Line

Photograph of the mobile radio station used by Guglielmo Marconi

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Photograph of the mobile radio station used by Gug...

Illustration in the style of a calendar for 1901

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Illustration in the style of a calendar for 1901

The construction of balloons in the Gare d'Orleans to carry information out of Paris during the Prussian siege

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The construction of balloons in the Gare d'Orleans...

Photograph of the Elliott-Automation's new gas laser for teaching and research purposes, is also suitable for a wide range of applications in new communications systems

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Photograph of the Elliott-Automation's new gas las...

Guglielmo Marconi's wireless telegraph station in Dresden, which received signals from Oberschöneweide and transmitted them to Karskrona in Sweden and Poldhu in Cornwall

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Guglielmo Marconi's wireless telegraph station in ...

Italian fascist propaganda postcard produced during the Second World War

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Italian fascist propaganda postcard produced durin...

Photograph of Captain Ranger pictured with transmitting apparatus

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Photograph of Captain Ranger pictured with transmi...

Illustration celebrating the opening of the wireless telegraph between Paris and Casablanca, showing the men whose work made it possible: Édouard Branly and Guglielmo Marconi

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Illustration celebrating the opening of the wirele...

Francois van Rijsselberghe

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Francois van Rijsselberghe

A letter to King Ludwig II of Bavaria

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A letter to King Ludwig II of Bavaria

Portrait of Johann Philipp Reis

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Portrait of Johann Philipp Reis

Portrait of John Pender

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Portrait of John Pender

A wireless telegraph operator on a ship

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A wireless telegraph operator on a ship

Uhlans' tracking the course of a balloon during the Franco-Prussian War

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Uhlans' tracking the course of a balloon during th...

Illustration explaining the operation of wireless telegraphy at sea

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Illustration explaining the operation of wireless ...

Propagande soviétique, WWII

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Propagande soviétique, WWII

Propagande soviétique, WWII

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Propagande soviétique, WWII

Trying to decipher addresses on Blind letters at the General Post Office

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Trying to decipher addresses on Blind letters at t...

A village postmistress in conversation with a policeman

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A village postmistress in conversation with a poli...

Opening random packets of newspapers

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Opening random packets of newspapers

The Hospital where damaged and badly packed letter and packets

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The Hospital where damaged and badly packed letter...

The postman delivering letters on St Valentines Day

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The postman delivering letters on St Valentines Da...

Heating the wax with which mail bags were sealed before dispatch

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Heating the wax with which mail bags were sealed b...

Franking letters

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Franking letters

Maid bringing a letter to the head of the household

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Maid bringing a letter to the head of the househol...

A Canadian postman mounted on horseback

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A Canadian postman mounted on horseback

Catching the last post of the day at a central London post office

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Catching the last post of the day at a central Lon...

Top: Scene outside the General Post Office

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Top: Scene outside the General Post Office

WWII: French army radio operator telephones instructions at a front line position 1940

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WWII: French army radio operator telephones instru...

Austrian field telegraph station

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Austrian field telegraph station

Engraving depicting a postman on horseback collecting letters on Christmas Eve

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Engraving depicting a postman on horseback collect...

Kakinomoto no Hitomaro as an elderly man

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Kakinomoto no Hitomaro as an elderly man

carrier pigeon used by the British army; to carry messages during WWI

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carrier pigeon used by the British army; to carry ...

Careless talk costs lives; American World war two propaganda poster

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Careless talk costs lives; American World war two ...

American sports journalists at a baseball match

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American sports journalists at a baseball match

Telephone Lorry Exchange

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Telephone Lorry Exchange

Photograph of an American Marine and Japanese Child Soldiers

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Photograph of an American Marine and Japanese Chil...

British solders move along a communications trench

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British solders move along a communications trench

Careless talk costs lives

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Careless talk costs lives

carrier pigeon used by the British army; to carry messages during WWI

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carrier pigeon used by the British army; to carry ...

Reporters sending their reports via telegraph from a baseball game, at the Polo Grounds, in New York City,

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Reporters sending their reports via telegraph from...

Engraving depicting the new uniforms of postal staff

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Engraving depicting the new uniforms of postal sta...

French soldiers at a communications centre, 1940

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French soldiers at a communications centre, 1940

A field operator of the Russian army uses a telephone.

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A field operator of the Russian army uses a teleph...

U.S. Army Signal Corps recruiting poster

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U.S. Army Signal Corps recruiting poster

Cover design for Fortune magazine showing telephone lines spanning the globe

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Cover design for Fortune magazine showing telephon...

Photograph of U.S. Military Telegraph Construction Corps

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Photograph of U.S. Military Telegraph Construction...

Anti-aircraft intelligence centre receives warning of a raid by German airships

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Anti-aircraft intelligence centre receives warnin...

A Russian general

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A Russian general

Survivors from 'Emden' sunk at the Battle of Cocos 9 November 1914

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Survivors from 'Emden' sunk at the Battle of Cocos...

Alexander the Great's Speaking Trumpet

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Alexander the Great's Speaking Trumpet

Survivors from 'Emden' sunk at the Battle of Cocos 9 November 1914

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Survivors from 'Emden' sunk at the Battle of Cocos...

Se-Quo-Yah holding Cherokee alphabet.

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Se-Quo-Yah holding Cherokee alphabet.

Natural Philosophy

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Natural Philosophy

Listening to the Radio

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Listening to the Radio

Scandinavian horn

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Scandinavian horn

Walter Nash prime Minister of New Zealand 1942

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Walter Nash prime Minister of New Zealand 1942

Block Printing

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Block Printing

Mary Pickford writing at a desk 1918

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Mary Pickford writing at a desk 1918

Photograph of a tank being used during World War Two

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Photograph of a tank being used during World War T...

French soldiers attach messages to carrier pigeons.

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French soldiers attach messages to carrier pigeons...

Producing Indian Ink in China

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Producing Indian Ink in China

Photograph of Martin Rodbell

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Photograph of Martin Rodbell

Survivors from 'Emden' sunk at the Battle of Cocos 9 November 1914

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Survivors from 'Emden' sunk at the Battle of Cocos...

Poster suggesting careless communication may be harmful to the war effort

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Poster suggesting careless communication may be ha...

Survivors from 'Emden' sunk at the Battle of Cocos 9 November 1914

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Survivors from 'Emden' sunk at the Battle of Cocos...

Rolls of cable at Gutta-percha

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Rolls of cable at Gutta-percha

Aerial Telegraph

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Aerial Telegraph

Aerial Telegraph

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Aerial Telegraph

Pedlar selling printed ballads in the street

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Pedlar selling printed ballads in the street

Female pedlar selling printed ballads in the street

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Female pedlar selling printed ballads in the stree...

Aerial Telegraph: Naval Semaphore

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Aerial Telegraph: Naval Semaphore

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