Experiment: Franck-Hertz Experiment for Neon (115 V, 50/60 Hz)
Experiment: Franck-Hertz Experiment for Neon (230 V, 50/60 Hz)
Experiment: Franck-Hertz Experiment for Mercury (230 V, 50/60 Hz)
Experiment: Franck-Hertz Experiment for Mercury (115 V, 50/60 Hz)
Experiment: Critical Potentials (115 V, 50/60 Hz)