Communication device reflecting sunlight.
Синонимы
Examples for "heliograph "
Examples for "heliograph "
1 The action must wait, while the heliograph flashed its call for help.
2 Good news came through the heliograph about General Gatacre's force at Dordrecht.
3 Well, I guess that's because the heliograph is so much more secret.
4 At last a cipher message began to come through on the heliograph .
5 The disadvantage of the heliograph is the undependability of the sun.
1 In 1926, Niépce took a photo of his estate in Burgundy, France using a process known as heliography .
2 Merritt was certain, as the light appeared and disappeared, that some message was being sent, and he regretted that he knew nothing of heliography .
3 M. Niepce presented his first paper on the subject to the Royal Society in 1827, naming his discovery Heliography .
4 "I wish Miss Young would teach us heliography next term," said Honor.
Grammar, pronunciation and more
Translations for heliography