TUBE TELTRON MALTESE CROSS

The Teltron range of discharge tubes has been designed to show the properties of the free election. For demonstrating the linear propagation of electron beams in field-free spaces by projecting the shadow of a Maltese cross on a fluorescent screen. Also intended for observing the focussing of electron beams by magnetic fields as an introduction to electron optics. Comparison between the Maltese-cross shadows of electron beams and electromagnetic radiation (light) in a magnetic field. The lower segment of the Maltese-cross has a hole which makes it possible to ascertain the orientation of the cross’ shadow under the influence of magnetic fields. Cathode heating voltage: Uh < 7.5 V, Ih < 1.8 A; Anode voltage: Ua < 5 kV; Anode current: typically Ia = 150 uA at Ua= 4.0 kV