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

He found the heliograph signal mirror at his side, sighted it upon the ship, and worked the mirror rapidly.

From Salvage in Space by Williamson, Jack

From the heights we had gained, operations were soon commenced both with heliograph and telescope.

From South Africa and the Transvaal War, Vol. 3 (of 6) From the Battle of Colenso, 15th Dec. 1899, to Lord Roberts's Advance into the Free State, 12th Feb. 1900 by Creswicke, Louis

A heliograph signal was flashed from the batteries, and then, without hesitation, the order was given to charge.

From The Great War in England in 1897 by Le Queux, William