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SBALL18
Polished, hardened spheres for mechanics and magnetism experiments.
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From $0.79 /unit
Lenses Spherical, Bi-Convex, 38mm Diameter 50mm
Bi-convex spherical lens, 38mm diameter, 50mm focal length.
Lenses Spherical, Bi-Convex, 50 Mm Diameter 50Mm
High-quality optical magnification for precision viewing.