
A heliodon (HEE-leo-don) 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. Heliodons are used primarily by architects and students of architecture. By placing a model building on the heliodon’s flat surface and making adjustments...
Found on
http://en.wikipedia.org/wiki/Heliodon

A device used to simulate the angle of the sun for assessing shading potentials of building structures or landscape features. Related category • SOLAR ENERGY AND POWER
Found on
http://www.daviddarling.info/encyclopedia/H/AE_heliodon.html

heliodon A device used to simulate the angle of the sun which is used to assess the shading potentials of building structures or landscape features. Related 'sun' word family: sol-.
Found on
http://www.wordinfo.info/words/index/info/view_unit/963/

A device used to simulate the angle of the sun for assessing shading potentials of building structures or landscape features.
Found on
https://www.encyclo.co.uk/local/22819
No exact match found.