solarscope


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A device used to orient a light source (representing the sun) with respect to an architectural model; calibrated in terms of latitude, time of day, and season of the year; used to study daylighting techniques and to illustrate the shadows cast by direct sunlight.
References in periodicals archive ?
I was really pleased when Steve tracked down a Solarscope which will give us an inverted image of Venus moving across the sun.
Solarscope, which is available in two models, uses precision optics to project the Sun's image onto the inside of its cardboard hood, where it can be safely viewed by an individual or small group.
Local astronomy groups may have access to these, and they can be found in specialised solarscopes.