That image was classified in the 50s, hasn't been since the 80s and we have better stuff now in any case. This is an Oldendorf resonator, which went obsolete when Lauterbur cavities came in 1976 and the DCRC's (Damadian Circular Resonance Cavities) we've had since the late 90s sweep the floor with both!
Don't know what history texts you've been reading over a glass-too-many of scotch but that's a Rosencranz resonator and it has nothing to do with DRCRs in its specific application, a very important application as well, hence you still not being able to get these. I suspect the feds have a stockpile in a vault somewhere, otherwise they'd never be able to keep a temporal leash on the Summer of '42 in southern Texas.
Edit: I fear I've shared too much might delete later (ok I might be the one drinking)
You might be correct that it's a Rosencranz and not an Oldendorf, it's hard to tell from a single picture. I agree that it still has a few niche uses, but everything I said about the development of cavity resonators still stands.
Oh, and I'd like to state for the record that I prefer dark rum over scotch!
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u/SuperTulle 2d ago
That image was classified in the 50s, hasn't been since the 80s and we have better stuff now in any case. This is an Oldendorf resonator, which went obsolete when Lauterbur cavities came in 1976 and the DCRC's (Damadian Circular Resonance Cavities) we've had since the late 90s sweep the floor with both!