Translations for heliograph in the English»French Dictionary (Go to French»English)

heliograph [Brit ˈhiːlɪə(ʊ)ɡrɑːf, Am ˈhiliəˌɡræf] N

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heliograph

Translations for heliograph in the French»English Dictionary (Go to English»French)

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héliographe

heliograph

American English

Monolingual examples (not verified by PONS Editors)

English

It has also been called a heliograph. en.wikipedia.org

The heliograph was a simple but effective instrument for instantaneous optical communication over long distances during the late 19th and early 20th century. en.wikipedia.org

The heliograph had some great advantages. en.wikipedia.org

In open warfare, visual signalling (employing signal flags and the heliograph) was the norm. en.wikipedia.org

A heliograph is when a wireless, solar telegraph reflects flashes of light in a pattern that translates into a message. en.wikipedia.org

Although the original heliograph was designed for geodetic survey, it was used extensively for military purposes during the late 19th and early 20th century. en.wikipedia.org

The heliograph uses a mirror to reflect sunlight to a distant observer. en.wikipedia.org

The sender aligned the heliograph to the target by looking at the reflected target in the mirror and moving his head until the target was hidden by the unsilvered spot. en.wikipedia.org

Then, for what seemed like at least a second, the green flash flooded the desert like an alien heliograph. en.wikipedia.org

During daylight hours when the sun is visible, a heliograph mirror can be used to flash bright, intense sunlight. en.wikipedia.org

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