heliography - Hutchinson encyclopedia article about heliography Printer Friendly
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heliography

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heliography

Former method of signalling, used by armies in the late 19th century, which employed sunlight reflected from a mirror to pass messages in Morse code. On a clear day, a heliograph could send over distances in excess of 50 km/30 mi.

Also, an early photographic process by which a permanent image was formed on a glass plate.
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Clark printed the photos--mostly portraits of his buddies, sometimes with needles in their arms or blood on their hands--in 1964 and brought them to New York, where a photographer friend had gotten him a show at the Heliography Gallery on the Upper East Side.
Larry Clark. (First Break) by Aletti, Vince / Artforum International
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