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Acrylic Semicircular Block, 3 1/2"x9/16" (90x16mm)

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  • Polished sides
  • Durable for classroom use
  • Works well in ray box experiments (Eisco Labs part number PH0602A)
  • works well with low power monochromatic light source
90x16mm acrylic semicircular block for light refraction and geometrical optics experiments