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
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 William Le Queux
“He said you understood—Britt did,” clamored MacLeod, hastening around in front of the heliograph.
From King Spruce, A Novel by Holman Day
The heliograph would be useless in stormy weather or in fog.
From El Diablo by Dan Sayre Groesbeck
