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1924 Radioslavia AB-74b receiver
https://www.gfgf.org/Forum/index.phpindex.php?t=rview&goto=14151&th=6508#msg_14151
I found someone's unfinished attempt to make a replica of the
Radioslavia AB-74b receiver, produced probably in 1924-5. I decided
to finish the device at least as a variation on the type AB-74b.