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United Scientific Solar Furnace

Item #: 2027698
$61.99 $46.49
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This simple device gives a graphic demonstration of the sun’s radiative energy. A large convex mirror concentrates solar radiation onto a small container of water suspended at the mirror’s focal point. In a few minutes, the water boils. The mirror’s angle is adjustable though 180-degree to allow it to be aimed at the sun at any time of day. Measurements include: 30 inch mirror; aperture area (800 cm2); mirror focal length (16 centimeter); furnace capacity (20 ml); base diameter: 22 centimeter); height 33 to 45 centimeters; and weight (480 grams).