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

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

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

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 Adams, H.C.