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

From an old MS. it appears that as early as 1068 the heliograph was in common use, special towers, with mirrors properly arranged, being built for the purpose of signalling.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 "Borgia, Lucrezia" to "Bradford, John" by Various

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)

Jamesey McKeown had begun to learn wireless telegraphy and was already expert with flag-signals and the heliograph.

From Changing Winds A Novel by Ervine, St. John G. (St. John Greer)