"Roger and Ute Brown" wrote in message
...
Phil:
At $9 they are cheap. They will undoubtedly go for more now. I doubt
that
they have anything to do with a bridge. Probably used in a oscillator,
generator or analyzer of some type. Hard to tell from the photo, but I'd
guess they could be used as nice shielded coil forms for some homebrew
project.
Roger, KL7Q



If those are lab standards, it would be crazy to destroy them for "parts".

Pete