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Double Convex Lens, Spherical, Optically Worked Glass Lens - with Ground Edges, Polished - optically true lens is excellent for physics classroom demonstrations in optics and light refraction, size: 250mm focal length, 3.5mm thick, Lens measures 2in diameter, 0.2 weight
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Student gratings, 100 lines per mm, protected by two glass plates, 60 mm x 45 mm, Viewing area measures approx. 45mm x 30mm.
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Polarizing Film, Slide Mounted
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Prism, Equilateral, Clear acrylic polished surfaces, 60 x 60 x 60 degree Length 50 mm, Face 50mm, Weight (lb): 3.4, Length (in):11.4, Width (in): 6.3, Height (in): 3.1
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Rectangular Refraction Cell, Material: acrylic rectangular, Color: clear, excellent for showing refraction and internal reflection in water, and to measure its refractive index, has uniform wall thickness to eliminate distortions, Dimension: 6X3X6.2 CM
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