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I think this set dates to 1950-51 with a 17BP4 CRT. It's in SAMS folder 144, so where does that put it?
I'd rather think the modular design was the outcome of SC doing war contract work, but that's just a guess. Even my portable P65 from 1959 is modular, but not the extent of this set. On this set even the power transformer, choke and rectifier are built on one plug in module.
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