US$ 12.99
3 geometry stretching focal throw for distant-screen projection of well-formed real images
snapping closed only while the button is held to introduce momentary versus latched switching behavior
Polished beech wood test tube rack with twelve vertical holes sized for tubes up to 28 mm diameter
Barlow's Wheel apparatus with neodymium magnets and a heavy base
well-suited for water-displacement and calorimetry work with an included inquiry-based instruction manual
Solid Acrylic Cube, 2" Sides Subcategory_Lab Jacks 3 geometry stretching focal throwSolid 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.
US$ 12.99
US$ 59.95
US$ 89.99
US$ 45.99
US$ 19.95
US$ 14.49
US$ 28.99