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- Heliography abstract "Heliography (in French, héliographie) is the photographic process invented by Joseph Nicéphore Niépce around 1822, which he used to make the earliest known permanent photograph from nature, View from the Window at Le Gras (c. 1826). The process used Bitumen of Judea, a naturally occurring asphalt, as a coating on glass or metal. It hardened in proportion to its exposure to light. When the plate was washed with oil of lavender, only the hardened areas remained. The word has also been used to refer to other phenomena: for description of the sun (cf. geography), for photography in general, for signalling by heliograph (a device less commonly called a heliotrope or helio-telegraph), and for photography of the sun.The abbreviations héliog. or héliogr., found on old reproductions, may stand for the French word héliogravure, and can then refer to any form of photogravure.".
- Heliography thumbnail Nicéphore_Niépce_Oldest_Photograph_1825.jpg?width=300.
- Heliography wikiPageExternalLink books?id=Mc90ZgreC8QC.
- Heliography wikiPageExternalLink AATFullDisplay?find=heliography&logic=AND¬e=&english=N&prev_page=1&subjectid=300133322.
- Heliography wikiPageExternalLink wfp.
- Heliography wikiPageID "2149725".
- Heliography wikiPageRevisionID "579647123".
- Heliography hasPhotoCollection Heliography.
- Heliography subject Category:1820s_in_art.
- Heliography subject Category:1820s_in_science.
- Heliography subject Category:1822_introductions.
- Heliography subject Category:Photographic_processes_dating_from_the_19th_century.
- Heliography type Abstraction100002137.
- Heliography type Act100030358.
- Heliography type Activity100407535.
- Heliography type Event100029378.
- Heliography type PhotographicProcessesDatingFromThe19thCentury.
- Heliography type Procedure101023820.
- Heliography type PsychologicalFeature100023100.
- Heliography type YagoPermanentlyLocatedEntity.
- Heliography comment "Heliography (in French, héliographie) is the photographic process invented by Joseph Nicéphore Niépce around 1822, which he used to make the earliest known permanent photograph from nature, View from the Window at Le Gras (c. 1826). The process used Bitumen of Judea, a naturally occurring asphalt, as a coating on glass or metal. It hardened in proportion to its exposure to light. When the plate was washed with oil of lavender, only the hardened areas remained.".
- Heliography label "Eliografia".
- Heliography label "Heliografia".
- Heliography label "Heliografia".
- Heliography label "Heliografie".
- Heliography label "Heliografía".
- Heliography label "Heliography".
- Heliography label "Héliographie".
- Heliography sameAs Heliografie.
- Heliography sameAs Heliografie.
- Heliography sameAs Heliografía.
- Heliography sameAs Héliographie.
- Heliography sameAs Eliografia.
- Heliography sameAs Heliografia.
- Heliography sameAs Heliografia.
- Heliography sameAs m.03gq4hr.
- Heliography sameAs Q1414342.
- Heliography sameAs Q1414342.
- Heliography sameAs Heliography.
- Heliography wasDerivedFrom Heliography?oldid=579647123.
- Heliography depiction Nicéphore_Niépce_Oldest_Photograph_1825.jpg.
- Heliography isPrimaryTopicOf Heliography.
