Description
pairing a 2-inch plastic wheel with a metal bearing for smooth
Uniform walls provide excellent strength against breakage
deflecting a pivoting cobalt-steel compass needle inside a rectangular conductor frame to show that current generates a magnetic field
diverging meniscus
Concave Glass Mirror, 150mm Diameter, 150mm Focal Length Material_Bristle pairing a 2-inch plastic wheelBuilt for maximum light projection demos, a wide 150mm concave glass mirror at 150mm focal length runs at f 1, capturing plenty of flux for vivid magnification and reflector style optics.
Exchange/Return Notes
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- Final sale items are not eligible for returns or exchanges.
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