Hollow Glass Prism with Stopper, 2 x 2" Light & Optics_Color sized for repeated student use

sized for repeated student use on solid-core and stranded wire ahead of crocodile-clip and terminal-block work

Solid carbon electrode bar that conducts current without participating in electrochemical reactions

sized for fine-print reading and convex-lens image-formation work in introductory optics

photo displays

designed for classroom identification drills and examination preparation

Hollow Glass Prism with Stopper, 2 x 2" Light & Optics_Color sized for repeated student useBuilt for medium volume Snell's law work, a 2 by 2 inch hollow glass prism with stopper holds more liquid than the 1. 5 inch sibling for refraction index investigations across multiple media.