Comment on They are watching
rescla@feddit.nl 1 year agoThe bottom right one looks like a mercury arc valve: en.m.wikipedia.org/wiki/Mercury-arc_valve It reminded me of an old Phoyonicinduction video youtu.be/QY6V2syGnZA
Comment on They are watching
rescla@feddit.nl 1 year agoThe bottom right one looks like a mercury arc valve: en.m.wikipedia.org/wiki/Mercury-arc_valve It reminded me of an old Phoyonicinduction video youtu.be/QY6V2syGnZA