[ARC5] An interesting marking on ARA set sn 4839

[David Stinson]

-----Original Message-----

David Stinson noted "the marking" on this set was interesting.

The photo of interest shows the name-plate and adjacent I see the stamp SC - 4019 - A.

Can you say what these characters mean?
(My guess:  Signal Corps, inspector #4019 (or approval certificate 4019) and "A" accepted)

Why is this stamping unusual?
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It's an Army Signal Corps inspection/acceptance stamp.
While I have seen both on the same set one other time-
an AN/ARC-5 transmitter- that was a "JAN" (Joint Army Navy)
set and therefore such "dual" inspection stamping would not
be too surprising on the earliest runs of AN/ARC-5.
However, the ARA was supposed to be exclusively a NAVY set,
so an Army inspection stamp is curious.

73 Dave S.