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 Charles Gilson
The only heliograph with the column had vanished in the stampede, and Carleton, encircled by musketry, knew that he was as powerless to obey the order as to acknowledge it.
From History of the War in South Africa 1899-1902 v. 1 (of 4) Compiled by Direction of His Majesty's Government by Great Britain. War Office
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
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