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Density Cylinder Set (Equal Mass Density Set)
Equal mass density cylinder set for physics education.
Lenses Spherical, Unmounted, Bi-Concave 38 mm Diameter Fl 500 mm
Unmounted bi-concave lens, 38 mm diameter, 500 mm focal length
Lenses Spherical, Unmounted, Bi-Concave 50 mm Diameter Fl 500 mm
Unmounted bi-concave lens, 50 mm diameter, 500 mm focal length
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