@[email protected] to Mildly [email protected] • edit-23 months agoThis is what the insides of a high pressure sodium (HPS) light bulb look likelemmy.worldimagemessage-square3fedilinkarrow-up182arrow-down15
arrow-up177arrow-down1imageThis is what the insides of a high pressure sodium (HPS) light bulb look likelemmy.world@[email protected] to Mildly [email protected] • edit-23 months agomessage-square3fedilink
minus-square@SteveTechlinkEnglish2•3 months agoI searched it up: It seems the smaller tube is pressurised, the larger bulb is under a vacuum. Some of the other diagrams also show a getter in the bulb, so it’s a proper vacuum tube level vacuum.
I searched it up:
It seems the smaller tube is pressurised, the larger bulb is under a vacuum. Some of the other diagrams also show a getter in the bulb, so it’s a proper vacuum tube level vacuum.