US$ 59.99
and ray-tracing demos
protecting the wooden edges during daily classroom handling and extending the usable life of the measurement tool
the 27-part life-size dual-sex torso opens at the back to expose spinal cord alongside visceral and reproductive anatomy
plastic body with sturdy metal rod
Equilateral Glass Prism, 25mm with Beveled Edges Included_Rod and ray-tracing demosPolished glass equilateral prism at 25mm with beveled edges, the optical grade body refracting and dispersing white light cleanly for refraction, Snell's law, and rainbow demos.
US$ 59.99
US$ 1507.35
US$ 80.00
US$ 80.00
US$ 100.00