Hollow Acrylic Semi-Circle for Refraction Index Study, 3 x 1.5 x 1.75" Subject_Anatomy Double-walled in aluminum to minimize

Double-walled in aluminum to minimize heat exchange with the surrounding air

this 80mm steel needle in a 6mm rod doubles as a precise alignment reference for image-formation and ray-tracing setups

and gas control on natural gas for high-temperature chemistry heating applications

Pea seed germination model traces cotyledon splitting

Pairs 75 by 50mm with 18mm thickness on an acrylic rectangular refraction block

Hollow Acrylic Semi-Circle for Refraction Index Study, 3 x 1.5 x 1.75" Subject_Anatomy Double-walled in aluminum to minimizeAcrylic semi circular block measuring 3 x 1. 5 x 1. 75 inches with a center indicator line, used to study Snell's law, total internal reflection, and critical angle behavior.