- Set of six glass lenses with different curvatures for demonstrating optical principles and effects for students
- One each of the following lenses: double-convex, plano-convex, double-concave, plano-concave, concavo-convex, and convexo-concave
- Double-convex, plano-convex, and concavo-convex lenses converge light rays to a point, and convexo-concave lenses diverge light rays from a point
- Each lens is 50mm in diameter
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American Educational 10 Piece Glass Prepared Microscope Slide Insect Set
15.0013.36 -
American Educational Concave Parabolic Large Demonstration Mirror, 40.5cm Diameter, 68cm Focal Length
66.2543.19 -
American Educational 6147 Stethoscope
6.256.19 -
Neewer® 6"/15cm Optical Glass Triple Triangular Prism Physics Teaching Light Spectrum
10.750
