heliograph

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Many of the instruments used in early operations of the United States Army Signal Corps were adaptations of equipment used by the Plains Indians, particularly that of the heliograph.

From SAT Tests

In the flash of heliograph signals in the North Sea haze and the speaking of great naval guns, the world has lately read a certain statement about the British Empire.

From Time Magazine Archive

Far in rear, upon a hill-top, a heliograph blinked and flickered in the sun.

From Across the Cameroons A Story of War and Adventure by Gilson, Charles

In fact it seems to have acted as a pre-historic heliograph.

From Fifty-One Years of Victorian Life by Child-Villiers, Margaret Elizabeth Leigh

Then, you know, we could have carried on our little confab by flashes of the heliograph.

From The Boy Scouts Under Fire in Mexico by Payton, Lieut. Howard