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

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

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

supplying a finer-gauge option for precision resistors and standard-cell construction in physics labs

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.