Bible Dictionaries
Heliograph
Webster's Dictionary
(1):
(n.) An instrument for taking photographs of the sun.
(2):
(n.) An apparatus for telegraphing by means of the sun's rays. See Heliotrope, 3.
(3):
(n.) A picture taken by heliography; a photograph.
(4):
(v. t.) To telegraph, or signal, with a heliograph.
(5):
(v. t.) To photograph by sunlight.
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Bibliography Information
Webster, Noah. Entry for 'Heliograph'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/h/heliograph.html. 1828.