Battery Eliminator, 1A Racks & Stands_Flask Stands Metal spouting cylinder with multiple

Metal spouting cylinder with multiple outlet holes at different heights

Glass convex mirror at 100mm diameter and 150mm focal length

and 500mm focal lengths for comparative refraction experiments

supporting small-feature eye anatomy teaching

Diamond lattice kit with 39 carbon atoms and 60 connectors for building the tetrahedral covalent network that gives diamond its exceptional hardness and optical properties

Battery Eliminator, 1A Racks & Stands_Flask Stands Metal spouting cylinder with multipleDial selectable multi tap battery eliminator delivering 1. 5 3 4. 5 6 9 12V at up to 1A, both AC and DC simultaneously, replacing the dry cell stack on student circuit benches.