nemfrog: “Electron mirror micrograph of magnetic domain pattern of barium ferrite.” Encyclopedia of microscopy. 1961. Internet Archive
tags: Sticky Fingers,
from: https://amused-itself-to-death.tumblr.com/post/671082870591438848
tags: Sticky Fingers,
from: https://amused-itself-to-death.tumblr.com/post/671082870591438848