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
In fact it seems to have acted as a pre-historic heliograph.
From Fifty-One Years of Victorian Life by Margaret Elizabeth Leigh Child-Villiers
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 Louis Eug?ne du Moulin
The heliograph, too, was invariably set up, by which messages in cases of emergency could be despatched.
From Perils in the Transvaal and Zululand by H.C. Adams
