dyen49k@kbin.social to Lemmy Shitpost@lemmy.world · 1 year agoThey are watchingmedia.kbin.socialimagemessage-square94fedilinkarrow-up1837arrow-down118
arrow-up1819arrow-down1imageThey are watchingmedia.kbin.socialdyen49k@kbin.social to Lemmy Shitpost@lemmy.world · 1 year agomessage-square94fedilink
minus-squareroon@lemmy.mllinkfedilinkEnglisharrow-up20arrow-down1·1 year agoWhat’s the last one? (Bottom right)
minus-squareantimidas@sopuli.xyzlinkfedilinkarrow-up15·edit-21 year agoA mercury arc rectifier. The mercury vapor is ionized, and used for increasing the current carrying capacity of the component – compared to how much a traditional valve design with complete vacuum would work. In short, it makes DC out of AC.
minus-squarembl@lemm.eelinkfedilinkarrow-up9arrow-down1·edit-21 year agoCourtesy of google lens https://www.postalmuseum.org/blog/powering-mail-rail/ In short a rectifier for post office railway?! Edit: contents and Spelling
What’s the last one? (Bottom right)
A mercury arc rectifier. The mercury vapor is ionized, and used for increasing the current carrying capacity of the component – compared to how much a traditional valve design with complete vacuum would work.
In short, it makes DC out of AC.
deleted by creator
Courtesy of google lens
https://www.postalmuseum.org/blog/powering-mail-rail/
In short a rectifier for post office railway?!
Edit: contents and Spelling