Inclined Plane Steel - Long Form, Made Of Heavy-Gauge Steel For Durability, Fits A 12 mm Rod, All Corners Are Rounded For Saftey, Use For Science Education Equipment, This Green Inclined Plane Is 48in Long & Straight As An Arrow, Heavy Steel With Rounded Corners
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
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