bachatero@lemmy.world to Mildly Interesting@lemmy.world · edit-28 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.worldbachatero@lemmy.world to Mildly Interesting@lemmy.world · edit-28 months agomessage-square3fedilink
minus-squareSteveTechlinkfedilinkEnglisharrow-up2·8 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.