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

Moving further to the east, Milton observed, in the plains beyond the distant end of the valley, the two squadrons under Colonel Gough, but failed in an attempt to attract their attention by heliograph.

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

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

In fact it seems to have acted as a pre-historic heliograph.

From Fifty-One Years of Victorian Life by Child-Villiers, Margaret Elizabeth Leigh