solar furnace, simple device gives a graphic demonstration of the suns radiative energy, large convex mirror concentrates solar radiation onto a small container of water suspended at the mirrors focal point. In a few minutes, the water boils
Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational uses, Size: 50mm focal length, 2in diameter and 3.5mm thick
Air Blower with Hose - 220V, Can be used in the Home, Barn, garage or work shop, This blower is specifically designed for laboratory use. It give constant pressure at low noise levels. Dimensions: Weight (lb)6.0xLength (in)14.0xWidth (in)8.5xHeight (in)8.5
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