bn:00586728n
Noun Concept
Categories: Building technology
EN
heliodon
EN
A heliodon is a device for adjusting the angle between a flat surface and a beam of light to match the angle between a horizontal plane at a specific latitude and the solar beam. Wikipedia
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EN
A heliodon is a device for adjusting the angle between a flat surface and a beam of light to match the angle between a horizontal plane at a specific latitude and the solar beam. Wikipedia
Wikipedia
Wikidata