Replacement mercury tube* for the Franck-Hertz experiment with mercury:
Franck-Hertz tube with Hg filling and heating furnace (115 V /50/60 Hz); article no. 1006794 or 1023094
and
Franck-Hertz tube with Hg filling and heating furnace (230 V /50/60 Hz); article no. 1006795 or 1023095
*(full compatibility to the above mentioned articles is granted)
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![Spectrum Tube Helium, 1003408 [U41816], Spectrum Tubes and Spectrum Lamps](/thumblibrary/U41816/U41816_01_140_140_Spectrum-Tube-Helium.jpg)
![Spectral Lamp Cd, 1003537 [U8476800], Spectrum Tubes and Spectrum Lamps](/thumblibrary/U8476800/U8476800_01_140_140_Spectral-Lamp-Cd.jpg)
![Spectral Lamp Na, 1003541 [U8476840], Spectrum Tubes and Spectrum Lamps](/thumblibrary/U8476840/U8476840_01_140_140_Spectral-Lamp-Na.jpg)
![Spectral Lamp Hg 100, 1003545 [U8476870], Spectrum Tubes and Spectrum Lamps](/thumblibrary/U8476870/U8476870_01_140_140_Spectral-Lamp-Hg-100.jpg)
![Premium Franck-Hertz Experiment Power Supply (230 V, 50/60 Hz), 1012819 [U8482530-230], Franck-Hertz Experiment](/thumblibrary/U8482530-230/U8482530-230_01_140_140_Premium-Franck-Hertz-Experiment-Power-Supply-230-V-5060-Hz.jpg)