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Best recollection is that all are battery sets. The 38 and 38A differ in that the 38A has a ballast tube so that the filaments can operated from a higher voltage. Normally without the ballast tube is 2vdc. The "B" would indicate that it's a Baby Grand cabinet.
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got it!
Terry
(This post was last modified: 05-25-2019, 02:51 PM by Radioroslyn.)
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RE: 38, 38 A, 38 B - by Radioroslyn - 05-25-2019, 02:51 PM
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