Thank you very much dlgoff and jim hardy. I really appreciate all the help and detective work. My students were becoming discouraged after they looked through the whole Cenco catalog and didn't find anything, they'll be thrilled to have the mystery solved!
Hello everyone,
This is my second year teaching Physics and I have come upon an interesting apparatus that no one can seem to identify. It appears to be two vacuum tubes protruding from a casing which includes two sets of three parallel brass plates, presumably with some sort of dielectric...