Dieter Wächter just published photos of his latest creation - the E1T beam deflection decade counting tube. Dieter has a lot of information on his website about how these devices work, data sheets, etc. Essentially, they are decade counting tubes that indicate a humber with a cyan line by the appropriate value printed on the tube. This thing is simply amazing - I have looked through my notes and research and I do not believe that there are any other six digit E1T clocks in existence.
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