Teltron Electron Deflection Tube D Foreign Language Dictionaries Comes with a stable ring

Comes with a stable ring for mounting or hanging from a climbing frame or swing

soft grip non-slip handle for screw and push fit roller frames

Features 16 values and behaviours for group discussion

giving them a wider knowledge of space

Ideal for the maths class

Teltron Electron Deflection Tube D Foreign Language Dictionaries Comes with a stable ringHighly evacuated electron tube with focusing electron gun and fluorescent screen inclined relative to the beam axis, so that the path of the beam can be seen and the effects of electric and magnetic fields can be studied. The electron beam can be deflected electrically in the electric field of the built in plate capacitor, and magnetically by using the Helmholtz coil pair D (U191051). By adjusting the electric field so that it cancels the magnetic