Hollow Glass Prism & Stopper, 3x2x0.7" - Great for Studying Snells Law of Refraction - Eisco Labs

• This rectangular hollow fillable glass box with plug is designed for physics and educational uses.
• It is approximately 3" x 2" x .7" and mm thick. Note, thickness varies as they are not designed to be consistent in that respect.
• Because of their educational use design, there may be minor imperfections that do not affect physical function.

Rectangular hollow fillable glass box with plug designed for physics and educational uses.