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
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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
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Skeat's case the Boers took, besides his heliograph, a pair of presentation field glasses, which he subsequently recovered in the successful raid of Christmas Eve in another part of the country.
From Two Years on Trek Being Some Account of the Royal Sussex Regiment in South Africa by Moulin, Louis Eug?ne du
Then a piece of mica, or a little pool, or even a highly polished leaf will flash like a heliograph.
From The Second Jungle Book by Kipling, Rudyard
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 Brereton, F. S. (Frederick Sadleir)