> Here's an odd beauty > > https://www.ebay.co.uk/itm/Cathode-Ray-Tube-Electron-Diffraction-Tube/132570918496?hash=item1eddd7ae60:g:0TsAAOSwCBFavOGv > > I appears to be a demonstration of electron diffraction behaviour. If you > look inside the tube you can see a target in line with the electron gun. From > physics lessons at school I remember a much simpler CRT assembly. This > appears to have deflection plates, PDA and a flat screen. So it appears to be > a much more sophisticated piece of kit than a simple school demonstration for > a bunch of bored teenagers. > > I post it here to see if anyone can offer any commentary or enlightenment on > why the precision? Or is the tube something completely different?
Thanks for the heads up! I won it for the £9 starting bid (plus £38 shipping...)! - John -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To post to this group, send an email to firstname.lastname@example.org. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/4EAD262E-766E-4F67-9492-9DF9A0F1FD4F%40mac.com. For more options, visit https://groups.google.com/d/optout.