dyen49k@kbin.social to Lemmy Shitpost@lemmy.world · 1 year agoThey are watchingmedia.kbin.socialimagemessage-square94fedilinkarrow-up1838arrow-down118
arrow-up1820arrow-down1imageThey are watchingmedia.kbin.socialdyen49k@kbin.social to Lemmy Shitpost@lemmy.world · 1 year agomessage-square94fedilink
minus-squareIllegal_Prime@dmv.sociallinkfedilinkEnglisharrow-up1·1 year agoMercury arc valve, an old method of converting AC electricity to DC.
Mercury arc valve, an old method of converting AC electricity to DC.