minus-squarembl@lemm.eetoLemmy Shitpost@lemmy.world•They are watchinglinkfedilinkarrow-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 linkfedilink
Courtesy of google lens
https://www.postalmuseum.org/blog/powering-mail-rail/
In short a rectifier for post office railway?!
Edit: contents and Spelling