[ARC5] [Milsurplus] Australian AWA "Radiotron" 807 Valve

[J. Forster]

Is the arrow a "Broad Arrow" like /|\ ?  If so, it is the British Army mark.

-John

===============


> I'm working on a neat RAAF AT5 transmitter.
> One of the tubes is an Australian-made AWA Radiotron
> type 807.  Engraved on the brown bakelite base
> is a capital "D" followed by an up-pointing arrow
> and another capital "D."   The arrow is between the
> filament pins and the two "D"s align with the fil pins.
> Anyone know the significance of this marking?
> Thanks,
> Dave S.
>
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