Significats de heliography en anglès

In 1926, Niépce took a photo of his estate in Burgundy, France using a process known as heliography.

Merritt was certain, as the light appeared and disappeared, that some message was being sent, and he regretted that he knew nothing of heliography.

M. Niepce presented his first paper on the subject to the Royal Society in 1827, naming his discovery Heliography.

"I wish Miss Young would teach us heliography next term," said Honor.