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Semicircular Acrylic Block All Sides Polished.
Folding, pocket-size binoculars with 3x magnification and lenses 25 mm in diameter. These can be of great use when going of field trips with your students, observing wildlife. Offered in red, blue and green variants.
All sides polished
UV-sensitive beads. Available in bags of 200 or 1000. Excellent for labs looking for the presence of UV light in a container.
Made of clear acrylic.
Made of polished glass with ground edges. Used for reducing the size of spreading out light, with two inward curving symmetrical faces
Double Convex Acrylic Block One – Face Frosted
Plain Glass Mirror.
Spherical glass mirror 75mm diameter, focal length 200mm.
