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Army Signaling
This photograph of British troops signaling is from an album of rare historical photographs depicting people and places associated with the Second Anglo-Afghan War. Signaling in the British Army at that time was performed by the Corps of the Royal Engineers. They used electric telegraphy in regions that had telegraph lines. Hand-held flags, fires for nighttime communications, and different types of non-electrical semaphores were used for campaigns in less-developed regions, such as Afghanistan. The seated soldier who is facing right uses a telescope to view the horizon; other soldiers operate ...
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Library of Congress
Signal Tower, Kandahar
This photograph of a ruined building in use as a British Army signal tower in Kandahar is from an album of rare historical photographs depicting people and places associated with the Second Anglo-Afghan War. Soldiers are seen at various levels of the building, with officers at the top holding a tripod, a telescope, and other devices. The British Army of the 1870s used various signaling technologies, including where possible the telegraph, and heliographic semaphores, which transmitted Morse code by means of sunlight flashed from mirrors. The Second Anglo-Afghan War began ...
Contributed by
Library of Congress