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
The heliograph has told us the whole story, and now we know that the Boers had entrenched the whole of the north bank of the river for miles on either side of Colenso.
From With Rifle and Bayonet A Story of the Boer War by F. S. (Frederick Sadleir) Brereton
To this shot the heliograph flashed a cordial expression of approval.
From The Siege of Mafeking (1900) by J. Angus Hamilton
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 Lieut. Howard Payton
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