Spectrum Tube Holder Type_Tall Form Reveals Earth's internal structure through

Reveals Earth's internal structure through a seven-piece cross-sectional globe whose crust

rocker arms

600 turns) and a load hook beneath the core let students isolate the effect of turns from current on electromagnet pull force

Air-cooled rheostat at 36 ohms and 3A with constantan winding on a 300x44mm vitreous-enameled tube

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

Spectrum Tube Holder Type_Tall Form Reveals Earth's internal structure throughBosshead equipped spectrum tube holder with 4mm safety sockets on a black panel, mounting any 26cm tube to a laboratory stand for spectroscopy demonstrations from any orientation.