I picked up this charming travelling inkwell at the weekend. It made up for the fact that I saw all of five fountain pens, and all were horrible fourth tier modern stuff.
The little bottle inside is glass with a plastic top that says 'Waterman'. The outside is, I think, bakelite, with a screw thread. There is a spring in the bottom, which keeps the glass container in place and ensures it doesn't jiggle around.
It really is the most charming accessory and in very fine condition.
https://imgur.com/kreFVull.jpg
https://imgur.com/PU4xgGIl.jpg
https://imgur.com/QeZrumol.jpg
I'd love to see other people's travelling ink accessories and inkwells!