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

"When you come to making dots and dashes in the Morse code, or what answers for the same with the heliograph, or a torch, or signal flags, I guess all languages are the same!"

From The Boy Scouts on Belgian Battlefields by Goldfrap, John Henry

The cavalry, summoned by heliograph from Mahsama, co-operated, and in a moonlight charge inflicted considerable loss.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 1 "Edwardes" to "Ehrenbreitstein" by Various

They would not have been true Boy Scouts if they had not before now learned how to wigwag with flags, or lanterns, as well as use a looking-glass in the sun in heliograph telegraphy.

From The Boy Scouts in the Blue Ridge Marooned Among the Moonshiners by Carter, Herbert