Following are the different types of vacuum tubes and the elements used to control the flow of current. See vacuum tube. ----- VACUUM TUBES -----Triode Pentode Elements Diode Tetrode Cathode X X ...

Instead a very different type of electronic component ruled the ... Angeloleithold (CC BY-SA 3.0) While consumer vacuum tubes might have disappeared from mundane electronics decades ago, it ...

It looks great, and it’s the basis of an all-vacuum tube calculator. The core of this build are a few tiny NE-2 neon bulbs. These are the same type of bulbs you’ll find in old indicators ...