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3B Scientific U19170 Teltron Dual-Beam Electron Tube D
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About 3B Scientific U19170 Teltron Dual-Beam Electron
Teltron dual beam tube D. Semi-evacuated electron tube filled with low-pressure helium and containing a tangential and axial electron gun. In the case of tangential bombardment and a perpendicularly aligned magnetic field, the fundamental electron charge-to-mass ratio can be determined from the diameter of the observed beam pattern. In the case of axial bombardment and a co-axial magnetic field, kinetic gas theory (example impact excitation) and particle collisions can be studied through observations of the fine, luminescent beams resulting from excitation of the helium atoms. Maximum filament voltage: 7.5 volts. Maximum anode voltage: 300 volts DC. Anode current: approximate 30 milliampere at 200 volts (anode). Maximum deflection voltage: 50 volts DC.
