3 ms·
Apparently it was commonly used in home plumbing as well, argh. https://news.ycombinator.com/item?id=10357115 https://news.ycombinator.com/item?id=10357115
by Laforet 11y ago
Apparently it was commonly used in home plumbing as well, argh.
https://news.ycombinator.com/item?id=10357115 https://news.ycombinator.com/item?id=10357115
- CamperBob2 11y agoInteresting thread on Reddit along these lines, as well: https://www.reddit.com/r/whatisthisthing/comments/3vfam4/update_mystery_mercury_bulb_in_the_castle_attic_i/ https://www.reddit.com/r/whatisthisthing/comments/3vfam4/upd...