Solid Acrylic Cube, 2" Sides Subcategory_Lab Jacks Polished beech wood test tube

Polished beech wood test tube rack with twelve vertical holes sized for tubes up to 28 mm diameter

0 Type-B to Type-B cable connects data-logging sensors

the gentlest divergence in the 75mm convex line for the largest virtual reduced images

this 75 x 10mm Alnico cylinder pair ships with a spacer and keepers in a cardboard storage box

Barlow's Wheel apparatus with neodymium magnets and a heavy base

Solid Acrylic Cube, 2" Sides Subcategory_Lab Jacks Polished beech wood test tubeSolid 2 inch acrylic cube with polished faces, the cube geometry letting light refract through cubic faces for refraction, beam bending, and total internal reflection demos.