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

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)

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

When circumstances permit, the heliograph is sometimes used.

From The Boys of '98 by Otis, James