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Hello Physharers,This tube
Until recently, the physics and chemistry teachers at my school had
access to a small cathode ray tube (discharge tube?). A student
accidentally knocked it off the table with his supersized backpack.
was about 10 inches in size, horizontally oriented on top of a base.strong
We'd zap it with a Tesla coil and deflect the electron beam with a
magnet -- very visual for the students. Is there a way to obtain theseany
more? They worked well and were easy to use. The catalogs don't havethese? Are
them, but they do have a canal/cathode ray tubes. Has anyone used
they any good? I'm hoping to replace a useful demo before schoolstarts
next year.
Thanks, Mark Welter Prospect High School