Glass Lens Set, 2", 6 Optical Types Pack Size_6 deflecting a pivoting cobalt-steel compass

deflecting a pivoting cobalt-steel compass needle inside a rectangular conductor frame to show that current generates a magnetic field

Pairs 74mm of length with a 50mm hypotenuse on a polished acrylic right-angled prism

satellite side impact sensor

Life-size right lung separates into two parts exposing bronchial tree and alveolar structure

step-up/step-down ratios

Glass Lens Set, 2", 6 Optical Types Pack Size_6 deflecting a pivoting cobalt-steel compassGround, polished, and packaged as a single optics kit, this six lens glass set covers double convex, double concave, plano convex, plano concave, and concavo convex forms for classroom work.